640771560

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 384

約数和(自身を含む): 2542700160

約数和(自身を除く): 1901928600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 27, 30, 33, 36, 39, 40, 44, 45, 52, 54, 55, 60, 65, 66, 72, 78, 81, 88, 90, 99, 104, 108, 110, 117, 120, 130, 132, 135, 143, 156, 162, 165, 180, 195, 198, 216, 220, 234, 243, 260, 264, 270, 286, 297, 312, 324, 330, 351, 360, 390, 396, 405, 429, 440, 461, 468, 486, 495, 520, 540, 572, 585, 594, 648, 660, 702, 715, 780, 792, 810, 858, 891, 922, 936, 972, 990, 1053, 1080, 1144, 1170, 1188, 1215, 1287, 1320, 1383, 1404, 1430, 1485, 1560, 1620, 1716, 1755, 1782, 1844, 1944, 1980, 2106, 2145, 2305, 2340, 2376, 2430, 2574, 2673, 2766, 2808, 2860, 2970, 3159, 3240, 3432, 3510, 3564, 3688, 3861, 3960, 4149, 4212, 4290, 4455, 4610, 4680, 4860, 5071, 5148, 5265, 5346, 5532, 5720, 5940, 5993, 6318, 6435, 6915, 7020, 7128, 7722, 8298, 8424, 8580, 8910, 9220, 9720, 10142, 10296, 10530, 10692, 11064, 11583, 11880, 11986, 12447, 12636, 12870, 13365, 13830, 14040, 15213, 15444, 15795, 16596, 17160, 17820, 17979, 18440, 19305, 20284, 20745, 21060, 21384, 23166, 23972, 24894, 25272, 25355, 25740, 26730, 27660, 29965, 30426, 30888, 31590, 33192, 34749, 35640, 35958, 37341, 38610, 40568, 41490, 42120, 45639, 46332, 47944, 49788, 50710, 51480, 53460, 53937, 55320, 57915, 59930, 60852, 62235, 63180, 65923, 69498, 71916, 74682, 76065, 77220, 82980, 89895, 91278, 92664, 99576, 101420, 106920, 107874, 112023, 115830, 119860, 121704, 124470, 126360, 131846, 136917, 138996, 143832, 149364, 152130, 154440, 161811, 165960, 173745, 179790, 182556, 186705, 197769, 202840, 215748, 224046, 228195, 231660, 239720, 248940, 263692, 269685, 273834, 277992, 298728, 304260, 323622, 329615, 347490, 359580, 365112, 373410, 395538, 410751, 431496, 448092, 456390, 463320, 485433, 497880, 527384, 539370, 547668, 560115, 593307, 608520, 647244, 659230, 684585, 694980, 719160, 746820, 791076, 809055, 821502, 896184, 912780, 970866, 988845, 1078740, 1095336, 1120230, 1186614, 1232253, 1294488, 1318460, 1369170, 1389960, 1456299, 1493640, 1582152, 1618110, 1643004, 1779921, 1825560, 1941732, 1977690, 2053755, 2157480, 2240460, 2373228, 2427165, 2464506, 2636920, 2738340, 2912598, 2966535, 3236220, 3286008, 3559842, 3883464, 3955380, 4107510, 4480920, 4746456, 4854330, 4929012, 5339763, 5476680, 5825196, 5933070, 6161265, 6472440, 7119684, 7281495, 7910760, 8215020, 8899605, 9708660, 9858024, 10679526, 11650392, 11866140, 12322530, 14239368, 14562990, 16019289, 16430040, 17799210, 19417320, 21359052, 23732280, 24645060, 26698815, 29125980, 32038578, 35598420, 42718104, 49290120, 53397630, 58251960, 64077156, 71196840, 80096445, 106795260, 128154312, 160192890, 213590520, 320385780, 640771560]

約数ペア:

[(1, 640771560), (2, 320385780), (3, 213590520), (4, 160192890), (5, 128154312), (6, 106795260), (8, 80096445), (9, 71196840), (10, 64077156), (11, 58251960), (12, 53397630), (13, 49290120), (15, 42718104), (18, 35598420), (20, 32038578), (22, 29125980), (24, 26698815), (26, 24645060), (27, 23732280), (30, 21359052), (33, 19417320), (36, 17799210), (39, 16430040), (40, 16019289), (44, 14562990), (45, 14239368), (52, 12322530), (54, 11866140), (55, 11650392), (60, 10679526), (65, 9858024), (66, 9708660), (72, 8899605), (78, 8215020), (81, 7910760), (88, 7281495), (90, 7119684), (99, 6472440), (104, 6161265), (108, 5933070), (110, 5825196), (117, 5476680), (120, 5339763), (130, 4929012), (132, 4854330), (135, 4746456), (143, 4480920), (156, 4107510), (162, 3955380), (165, 3883464), (180, 3559842), (195, 3286008), (198, 3236220), (216, 2966535), (220, 2912598), (234, 2738340), (243, 2636920), (260, 2464506), (264, 2427165), (270, 2373228), (286, 2240460), (297, 2157480), (312, 2053755), (324, 1977690), (330, 1941732), (351, 1825560), (360, 1779921), (390, 1643004), (396, 1618110), (405, 1582152), (429, 1493640), (440, 1456299), (461, 1389960), (468, 1369170), (486, 1318460), (495, 1294488), (520, 1232253), (540, 1186614), (572, 1120230), (585, 1095336), (594, 1078740), (648, 988845), (660, 970866), (702, 912780), (715, 896184), (780, 821502), (792, 809055), (810, 791076), (858, 746820), (891, 719160), (922, 694980), (936, 684585), (972, 659230), (990, 647244), (1053, 608520), (1080, 593307), (1144, 560115), (1170, 547668), (1188, 539370), (1215, 527384), (1287, 497880), (1320, 485433), (1383, 463320), (1404, 456390), (1430, 448092), (1485, 431496), (1560, 410751), (1620, 395538), (1716, 373410), (1755, 365112), (1782, 359580), (1844, 347490), (1944, 329615), (1980, 323622), (2106, 304260), (2145, 298728), (2305, 277992), (2340, 273834), (2376, 269685), (2430, 263692), (2574, 248940), (2673, 239720), (2766, 231660), (2808, 228195), (2860, 224046), (2970, 215748), (3159, 202840), (3240, 197769), (3432, 186705), (3510, 182556), (3564, 179790), (3688, 173745), (3861, 165960), (3960, 161811), (4149, 154440), (4212, 152130), (4290, 149364), (4455, 143832), (4610, 138996), (4680, 136917), (4860, 131846), (5071, 126360), (5148, 124470), (5265, 121704), (5346, 119860), (5532, 115830), (5720, 112023), (5940, 107874), (5993, 106920), (6318, 101420), (6435, 99576), (6915, 92664), (7020, 91278), (7128, 89895), (7722, 82980), (8298, 77220), (8424, 76065), (8580, 74682), (8910, 71916), (9220, 69498), (9720, 65923), (10142, 63180), (10296, 62235), (10530, 60852), (10692, 59930), (11064, 57915), (11583, 55320), (11880, 53937), (11986, 53460), (12447, 51480), (12636, 50710), (12870, 49788), (13365, 47944), (13830, 46332), (14040, 45639), (15213, 42120), (15444, 41490), (15795, 40568), (16596, 38610), (17160, 37341), (17820, 35958), (17979, 35640), (18440, 34749), (19305, 33192), (20284, 31590), (20745, 30888), (21060, 30426), (21384, 29965), (23166, 27660), (23972, 26730), (24894, 25740), (25272, 25355)]