639229920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:111

約数の個数: 576

約数和(自身を含む): 2654539776

約数和(自身を除く): 2015309856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 31, 32, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 62, 68, 70, 76, 80, 84, 85, 93, 95, 96, 102, 105, 112, 114, 119, 120, 124, 133, 136, 140, 152, 155, 160, 168, 170, 186, 190, 204, 210, 217, 224, 228, 238, 240, 248, 255, 266, 272, 280, 285, 304, 310, 323, 336, 340, 357, 361, 372, 380, 399, 408, 420, 434, 456, 465, 476, 480, 496, 510, 527, 532, 544, 560, 570, 589, 595, 608, 620, 646, 651, 665, 672, 680, 714, 722, 744, 760, 798, 816, 840, 868, 912, 930, 952, 969, 992, 1020, 1054, 1064, 1083, 1085, 1120, 1140, 1178, 1190, 1240, 1292, 1302, 1330, 1360, 1428, 1444, 1488, 1520, 1581, 1596, 1615, 1632, 1680, 1736, 1767, 1785, 1805, 1824, 1860, 1904, 1938, 1995, 2040, 2108, 2128, 2166, 2170, 2261, 2280, 2356, 2380, 2480, 2527, 2584, 2604, 2635, 2660, 2720, 2856, 2888, 2945, 2976, 3040, 3162, 3192, 3230, 3255, 3360, 3472, 3534, 3570, 3610, 3689, 3720, 3808, 3876, 3990, 4080, 4123, 4216, 4256, 4332, 4340, 4522, 4560, 4712, 4760, 4845, 4960, 5054, 5168, 5208, 5270, 5320, 5415, 5712, 5776, 5890, 6137, 6324, 6384, 6460, 6510, 6783, 6944, 7068, 7140, 7220, 7378, 7440, 7581, 7752, 7905, 7980, 8160, 8246, 8432, 8664, 8680, 8835, 9044, 9120, 9424, 9520, 9690, 10013, 10108, 10336, 10416, 10540, 10640, 10830, 11067, 11191, 11305, 11424, 11552, 11780, 12274, 12369, 12635, 12648, 12768, 12920, 13020, 13566, 14136, 14280, 14440, 14756, 14880, 15162, 15504, 15810, 15960, 16492, 16864, 17328, 17360, 17670, 18088, 18411, 18445, 18848, 19040, 19380, 20026, 20216, 20615, 20832, 21080, 21280, 21660, 22134, 22382, 22610, 23560, 24548, 24738, 25270, 25296, 25840, 26040, 27132, 28272, 28560, 28880, 29512, 30039, 30324, 30685, 31008, 31620, 31920, 32984, 33573, 33915, 34656, 34720, 35340, 36176, 36822, 36890, 37905, 38760, 40052, 40432, 41230, 42160, 42959, 43320, 44268, 44764, 45220, 47120, 49096, 49476, 50065, 50540, 50592, 51680, 52080, 54264, 55335, 55955, 56544, 57120, 57760, 59024, 60078, 60648, 61370, 61845, 63240, 63840, 65968, 67146, 67830, 70091, 70680, 72352, 73644, 73780, 75810, 77520, 78337, 80104, 80864, 82460, 84320, 85918, 86640, 88536, 89528, 90440, 92055, 94240, 98192, 98952, 100130, 101080, 104160, 108528, 110670, 111910, 118048, 120156, 121296, 122740, 123690, 126480, 128877, 131936, 134292, 135660, 140182, 141360, 147288, 147560, 150195, 151620, 155040, 156674, 160208, 164920, 167865, 171836, 173280, 177072, 179056, 180880, 184110, 190247, 196384, 197904, 200260, 202160, 210273, 214795, 217056, 221340, 223820, 235011, 240312, 242592, 245480, 247380, 252960, 257754, 268584, 271320, 280364, 282720, 294576, 295120, 300390, 303240, 313348, 320416, 329840, 335730, 343672, 350455, 354144, 358112, 361760, 368220, 380494, 391685, 395808, 400520, 404320, 420546, 429590, 442680, 447640, 470022, 480624, 490960, 494760, 515508, 537168, 542640, 560728, 570741, 589152, 590240, 600780, 606480, 626696, 644385, 659680, 671460, 687344, 700910, 736440, 760988, 783370, 801040, 841092, 859180, 885360, 895280, 940044, 951235, 961248, 981920, 989520, 1031016, 1051365, 1074336, 1085280, 1121456, 1141482, 1175055, 1201560, 1212960, 1253392, 1288770, 1331729, 1342920, 1374688, 1401820, 1472880, 1521976, 1566740, 1602080, 1682184, 1718360, 1770720, 1790560, 1880088, 1902470, 1979040, 2062032, 2102730, 2242912, 2282964, 2350110, 2403120, 2506784, 2577540, 2663458, 2685840, 2803640, 2853705, 2945760, 3043952, 3133480, 3364368, 3436720, 3760176, 3804940, 3995187, 4124064, 4205460, 4565928, 4700220, 4806240, 5155080, 5326916, 5371680, 5607280, 5707410, 6087904, 6266960, 6658645, 6728736, 6873440, 7520352, 7609880, 7990374, 8410920, 9131856, 9400440, 10310160, 10653832, 11214560, 11414820, 12533920, 13317290, 15219760, 15980748, 16821840, 18263712, 18800880, 19975935, 20620320, 21307664, 22829640, 26634580, 30439520, 31961496, 33643680, 37601760, 39951870, 42615328, 45659280, 53269160, 63922992, 79903740, 91318560, 106538320, 127845984, 159807480, 213076640, 319614960, 639229920]

約数ペア:

[(1, 639229920), (2, 319614960), (3, 213076640), (4, 159807480), (5, 127845984), (6, 106538320), (7, 91318560), (8, 79903740), (10, 63922992), (12, 53269160), (14, 45659280), (15, 42615328), (16, 39951870), (17, 37601760), (19, 33643680), (20, 31961496), (21, 30439520), (24, 26634580), (28, 22829640), (30, 21307664), (31, 20620320), (32, 19975935), (34, 18800880), (35, 18263712), (38, 16821840), (40, 15980748), (42, 15219760), (48, 13317290), (51, 12533920), (56, 11414820), (57, 11214560), (60, 10653832), (62, 10310160), (68, 9400440), (70, 9131856), (76, 8410920), (80, 7990374), (84, 7609880), (85, 7520352), (93, 6873440), (95, 6728736), (96, 6658645), (102, 6266960), (105, 6087904), (112, 5707410), (114, 5607280), (119, 5371680), (120, 5326916), (124, 5155080), (133, 4806240), (136, 4700220), (140, 4565928), (152, 4205460), (155, 4124064), (160, 3995187), (168, 3804940), (170, 3760176), (186, 3436720), (190, 3364368), (204, 3133480), (210, 3043952), (217, 2945760), (224, 2853705), (228, 2803640), (238, 2685840), (240, 2663458), (248, 2577540), (255, 2506784), (266, 2403120), (272, 2350110), (280, 2282964), (285, 2242912), (304, 2102730), (310, 2062032), (323, 1979040), (336, 1902470), (340, 1880088), (357, 1790560), (361, 1770720), (372, 1718360), (380, 1682184), (399, 1602080), (408, 1566740), (420, 1521976), (434, 1472880), (456, 1401820), (465, 1374688), (476, 1342920), (480, 1331729), (496, 1288770), (510, 1253392), (527, 1212960), (532, 1201560), (544, 1175055), (560, 1141482), (570, 1121456), (589, 1085280), (595, 1074336), (608, 1051365), (620, 1031016), (646, 989520), (651, 981920), (665, 961248), (672, 951235), (680, 940044), (714, 895280), (722, 885360), (744, 859180), (760, 841092), (798, 801040), (816, 783370), (840, 760988), (868, 736440), (912, 700910), (930, 687344), (952, 671460), (969, 659680), (992, 644385), (1020, 626696), (1054, 606480), (1064, 600780), (1083, 590240), (1085, 589152), (1120, 570741), (1140, 560728), (1178, 542640), (1190, 537168), (1240, 515508), (1292, 494760), (1302, 490960), (1330, 480624), (1360, 470022), (1428, 447640), (1444, 442680), (1488, 429590), (1520, 420546), (1581, 404320), (1596, 400520), (1615, 395808), (1632, 391685), (1680, 380494), (1736, 368220), (1767, 361760), (1785, 358112), (1805, 354144), (1824, 350455), (1860, 343672), (1904, 335730), (1938, 329840), (1995, 320416), (2040, 313348), (2108, 303240), (2128, 300390), (2166, 295120), (2170, 294576), (2261, 282720), (2280, 280364), (2356, 271320), (2380, 268584), (2480, 257754), (2527, 252960), (2584, 247380), (2604, 245480), (2635, 242592), (2660, 240312), (2720, 235011), (2856, 223820), (2888, 221340), (2945, 217056), (2976, 214795), (3040, 210273), (3162, 202160), (3192, 200260), (3230, 197904), (3255, 196384), (3360, 190247), (3472, 184110), (3534, 180880), (3570, 179056), (3610, 177072), (3689, 173280), (3720, 171836), (3808, 167865), (3876, 164920), (3990, 160208), (4080, 156674), (4123, 155040), (4216, 151620), (4256, 150195), (4332, 147560), (4340, 147288), (4522, 141360), (4560, 140182), (4712, 135660), (4760, 134292), (4845, 131936), (4960, 128877), (5054, 126480), (5168, 123690), (5208, 122740), (5270, 121296), (5320, 120156), (5415, 118048), (5712, 111910), (5776, 110670), (5890, 108528), (6137, 104160), (6324, 101080), (6384, 100130), (6460, 98952), (6510, 98192), (6783, 94240), (6944, 92055), (7068, 90440), (7140, 89528), (7220, 88536), (7378, 86640), (7440, 85918), (7581, 84320), (7752, 82460), (7905, 80864), (7980, 80104), (8160, 78337), (8246, 77520), (8432, 75810), (8664, 73780), (8680, 73644), (8835, 72352), (9044, 70680), (9120, 70091), (9424, 67830), (9520, 67146), (9690, 65968), (10013, 63840), (10108, 63240), (10336, 61845), (10416, 61370), (10540, 60648), (10640, 60078), (10830, 59024), (11067, 57760), (11191, 57120), (11305, 56544), (11424, 55955), (11552, 55335), (11780, 54264), (12274, 52080), (12369, 51680), (12635, 50592), (12648, 50540), (12768, 50065), (12920, 49476), (13020, 49096), (13566, 47120), (14136, 45220), (14280, 44764), (14440, 44268), (14756, 43320), (14880, 42959), (15162, 42160), (15504, 41230), (15810, 40432), (15960, 40052), (16492, 38760), (16864, 37905), (17328, 36890), (17360, 36822), (17670, 36176), (18088, 35340), (18411, 34720), (18445, 34656), (18848, 33915), (19040, 33573), (19380, 32984), (20026, 31920), (20216, 31620), (20615, 31008), (20832, 30685), (21080, 30324), (21280, 30039), (21660, 29512), (22134, 28880), (22382, 28560), (22610, 28272), (23560, 27132), (24548, 26040), (24738, 25840), (25270, 25296)]