255990420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 432

約数和(自身を含む): 1019141760

約数和(自身を除く): 763151340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 37, 38, 42, 45, 51, 57, 60, 63, 68, 70, 74, 76, 84, 85, 90, 95, 102, 105, 111, 114, 119, 126, 133, 140, 148, 153, 170, 171, 180, 185, 190, 204, 210, 222, 228, 238, 252, 255, 259, 266, 285, 289, 306, 315, 323, 333, 340, 342, 357, 370, 380, 399, 420, 444, 476, 510, 518, 532, 555, 570, 578, 595, 612, 629, 630, 646, 665, 666, 684, 703, 714, 740, 765, 777, 798, 855, 867, 969, 1020, 1036, 1071, 1110, 1140, 1156, 1190, 1197, 1258, 1260, 1292, 1295, 1330, 1332, 1406, 1428, 1445, 1530, 1554, 1596, 1615, 1665, 1710, 1734, 1785, 1887, 1938, 1995, 2023, 2109, 2142, 2220, 2261, 2331, 2380, 2394, 2516, 2590, 2601, 2660, 2812, 2890, 2907, 3060, 3108, 3145, 3230, 3330, 3420, 3468, 3515, 3570, 3774, 3876, 3885, 3990, 4046, 4218, 4284, 4335, 4403, 4522, 4662, 4788, 4845, 4921, 5180, 5202, 5355, 5491, 5661, 5780, 5814, 5985, 6069, 6290, 6327, 6460, 6660, 6783, 7030, 7140, 7548, 7770, 7980, 8092, 8436, 8670, 8806, 9044, 9324, 9435, 9690, 9842, 10115, 10404, 10545, 10693, 10710, 10982, 11305, 11322, 11628, 11655, 11951, 11970, 12138, 12580, 12654, 13005, 13209, 13566, 14060, 14535, 14763, 15540, 16473, 17340, 17612, 18207, 18870, 19380, 19684, 20230, 20349, 21090, 21386, 21420, 21964, 22015, 22610, 22644, 23310, 23902, 23940, 24276, 24605, 25308, 26010, 26418, 27132, 27455, 28305, 29070, 29526, 30345, 31635, 32079, 32946, 33915, 35853, 36414, 37740, 38437, 39627, 40460, 40698, 42180, 42772, 44030, 44289, 45220, 46620, 47804, 49210, 49419, 52020, 52836, 53465, 54910, 56610, 58140, 59052, 59755, 60690, 63270, 64158, 65892, 66045, 67830, 71706, 72828, 73815, 74851, 76874, 79254, 81396, 82365, 83657, 88060, 88578, 91035, 96237, 98420, 98838, 101745, 106930, 107559, 109820, 113220, 115311, 119510, 121380, 126540, 128316, 132090, 135660, 143412, 147630, 149702, 153748, 158508, 160395, 164730, 167314, 177156, 179265, 182070, 192185, 192474, 197676, 198135, 203167, 203490, 213860, 215118, 221445, 224553, 230622, 239020, 247095, 250971, 264180, 295260, 299404, 320790, 329460, 334628, 345933, 358530, 364140, 374255, 384370, 384948, 396270, 406334, 406980, 418285, 430236, 442890, 449106, 461244, 481185, 494190, 501942, 537795, 576555, 609501, 641580, 673659, 691866, 717060, 748510, 752913, 768740, 792540, 812668, 836570, 885780, 898212, 962370, 988380, 1003884, 1015835, 1075590, 1122765, 1153110, 1219002, 1254855, 1347318, 1383732, 1422169, 1497020, 1505826, 1673140, 1729665, 1828503, 1924740, 2031670, 2151180, 2245530, 2306220, 2438004, 2509710, 2694636, 2844338, 3011652, 3047505, 3368295, 3459330, 3657006, 3764565, 4063340, 4266507, 4491060, 5019420, 5688676, 6095010, 6736590, 6918660, 7110845, 7314012, 7529130, 8533014, 9142515, 12190020, 12799521, 13473180, 14221690, 15058260, 17066028, 18285030, 21332535, 25599042, 28443380, 36570060, 42665070, 51198084, 63997605, 85330140, 127995210, 255990420]

約数ペア:

[(1, 255990420), (2, 127995210), (3, 85330140), (4, 63997605), (5, 51198084), (6, 42665070), (7, 36570060), (9, 28443380), (10, 25599042), (12, 21332535), (14, 18285030), (15, 17066028), (17, 15058260), (18, 14221690), (19, 13473180), (20, 12799521), (21, 12190020), (28, 9142515), (30, 8533014), (34, 7529130), (35, 7314012), (36, 7110845), (37, 6918660), (38, 6736590), (42, 6095010), (45, 5688676), (51, 5019420), (57, 4491060), (60, 4266507), (63, 4063340), (68, 3764565), (70, 3657006), (74, 3459330), (76, 3368295), (84, 3047505), (85, 3011652), (90, 2844338), (95, 2694636), (102, 2509710), (105, 2438004), (111, 2306220), (114, 2245530), (119, 2151180), (126, 2031670), (133, 1924740), (140, 1828503), (148, 1729665), (153, 1673140), (170, 1505826), (171, 1497020), (180, 1422169), (185, 1383732), (190, 1347318), (204, 1254855), (210, 1219002), (222, 1153110), (228, 1122765), (238, 1075590), (252, 1015835), (255, 1003884), (259, 988380), (266, 962370), (285, 898212), (289, 885780), (306, 836570), (315, 812668), (323, 792540), (333, 768740), (340, 752913), (342, 748510), (357, 717060), (370, 691866), (380, 673659), (399, 641580), (420, 609501), (444, 576555), (476, 537795), (510, 501942), (518, 494190), (532, 481185), (555, 461244), (570, 449106), (578, 442890), (595, 430236), (612, 418285), (629, 406980), (630, 406334), (646, 396270), (665, 384948), (666, 384370), (684, 374255), (703, 364140), (714, 358530), (740, 345933), (765, 334628), (777, 329460), (798, 320790), (855, 299404), (867, 295260), (969, 264180), (1020, 250971), (1036, 247095), (1071, 239020), (1110, 230622), (1140, 224553), (1156, 221445), (1190, 215118), (1197, 213860), (1258, 203490), (1260, 203167), (1292, 198135), (1295, 197676), (1330, 192474), (1332, 192185), (1406, 182070), (1428, 179265), (1445, 177156), (1530, 167314), (1554, 164730), (1596, 160395), (1615, 158508), (1665, 153748), (1710, 149702), (1734, 147630), (1785, 143412), (1887, 135660), (1938, 132090), (1995, 128316), (2023, 126540), (2109, 121380), (2142, 119510), (2220, 115311), (2261, 113220), (2331, 109820), (2380, 107559), (2394, 106930), (2516, 101745), (2590, 98838), (2601, 98420), (2660, 96237), (2812, 91035), (2890, 88578), (2907, 88060), (3060, 83657), (3108, 82365), (3145, 81396), (3230, 79254), (3330, 76874), (3420, 74851), (3468, 73815), (3515, 72828), (3570, 71706), (3774, 67830), (3876, 66045), (3885, 65892), (3990, 64158), (4046, 63270), (4218, 60690), (4284, 59755), (4335, 59052), (4403, 58140), (4522, 56610), (4662, 54910), (4788, 53465), (4845, 52836), (4921, 52020), (5180, 49419), (5202, 49210), (5355, 47804), (5491, 46620), (5661, 45220), (5780, 44289), (5814, 44030), (5985, 42772), (6069, 42180), (6290, 40698), (6327, 40460), (6460, 39627), (6660, 38437), (6783, 37740), (7030, 36414), (7140, 35853), (7548, 33915), (7770, 32946), (7980, 32079), (8092, 31635), (8436, 30345), (8670, 29526), (8806, 29070), (9044, 28305), (9324, 27455), (9435, 27132), (9690, 26418), (9842, 26010), (10115, 25308), (10404, 24605), (10545, 24276), (10693, 23940), (10710, 23902), (10982, 23310), (11305, 22644), (11322, 22610), (11628, 22015), (11655, 21964), (11951, 21420), (11970, 21386), (12138, 21090), (12580, 20349), (12654, 20230), (13005, 19684), (13209, 19380), (13566, 18870), (14060, 18207), (14535, 17612), (14763, 17340), (15540, 16473)]