255530520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3326

約数の個数: 192

約数和(自身を含む): 980029440

約数和(自身を除く): 724498920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3271, 3720, 3906, 4340, 5208, 5580, 6510, 6542, 7812, 8680, 9765, 9813, 11160, 13020, 13084, 15624, 16355, 19530, 19626, 22897, 26040, 26168, 29439, 32710, 39060, 39252, 45794, 49065, 58878, 65420, 68691, 78120, 78504, 91588, 98130, 101401, 114485, 117756, 130840, 137382, 147195, 183176, 196260, 202802, 206073, 228970, 235512, 274764, 294390, 304203, 343455, 392520, 405604, 412146, 457940, 507005, 549528, 588780, 608406, 686910, 709807, 811208, 824292, 912609, 915880, 1014010, 1030365, 1177560, 1216812, 1373820, 1419614, 1521015, 1648584, 1825218, 2028020, 2060730, 2129421, 2433624, 2747640, 2839228, 3042030, 3549035, 3650436, 4056040, 4121460, 4258842, 4563045, 5678456, 6084060, 6388263, 7098070, 7300872, 8242920, 8517684, 9126090, 10647105, 12168120, 12776526, 14196140, 17035368, 18252180, 21294210, 25553052, 28392280, 31941315, 36504360, 42588420, 51106104, 63882630, 85176840, 127765260, 255530520]

約数ペア:

[(1, 255530520), (2, 127765260), (3, 85176840), (4, 63882630), (5, 51106104), (6, 42588420), (7, 36504360), (8, 31941315), (9, 28392280), (10, 25553052), (12, 21294210), (14, 18252180), (15, 17035368), (18, 14196140), (20, 12776526), (21, 12168120), (24, 10647105), (28, 9126090), (30, 8517684), (31, 8242920), (35, 7300872), (36, 7098070), (40, 6388263), (42, 6084060), (45, 5678456), (56, 4563045), (60, 4258842), (62, 4121460), (63, 4056040), (70, 3650436), (72, 3549035), (84, 3042030), (90, 2839228), (93, 2747640), (105, 2433624), (120, 2129421), (124, 2060730), (126, 2028020), (140, 1825218), (155, 1648584), (168, 1521015), (180, 1419614), (186, 1373820), (210, 1216812), (217, 1177560), (248, 1030365), (252, 1014010), (279, 915880), (280, 912609), (310, 824292), (315, 811208), (360, 709807), (372, 686910), (420, 608406), (434, 588780), (465, 549528), (504, 507005), (558, 457940), (620, 412146), (630, 405604), (651, 392520), (744, 343455), (840, 304203), (868, 294390), (930, 274764), (1085, 235512), (1116, 228970), (1240, 206073), (1260, 202802), (1302, 196260), (1395, 183176), (1736, 147195), (1860, 137382), (1953, 130840), (2170, 117756), (2232, 114485), (2520, 101401), (2604, 98130), (2790, 91588), (3255, 78504), (3271, 78120), (3720, 68691), (3906, 65420), (4340, 58878), (5208, 49065), (5580, 45794), (6510, 39252), (6542, 39060), (7812, 32710), (8680, 29439), (9765, 26168), (9813, 26040), (11160, 22897), (13020, 19626), (13084, 19530), (15624, 16355)]