205151520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{61057}}^1$

素因数の和:61082

約数の個数: 96

約数和(自身を含む): 738557568

約数和(自身を除く): 533406048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 61057, 122114, 183171, 244228, 305285, 366342, 427399, 488456, 610570, 732684, 854798, 915855, 976912, 1221140, 1282197, 1465368, 1709596, 1831710, 1953824, 2136995, 2442280, 2564394, 2930736, 3419192, 3663420, 4273990, 4884560, 5128788, 5861472, 6410985, 6838384, 7326840, 8547980, 9769120, 10257576, 12821970, 13676768, 14653680, 17095960, 20515152, 25643940, 29307360, 34191920, 41030304, 51287880, 68383840, 102575760, 205151520]

約数ペア:

[(1, 205151520), (2, 102575760), (3, 68383840), (4, 51287880), (5, 41030304), (6, 34191920), (7, 29307360), (8, 25643940), (10, 20515152), (12, 17095960), (14, 14653680), (15, 13676768), (16, 12821970), (20, 10257576), (21, 9769120), (24, 8547980), (28, 7326840), (30, 6838384), (32, 6410985), (35, 5861472), (40, 5128788), (42, 4884560), (48, 4273990), (56, 3663420), (60, 3419192), (70, 2930736), (80, 2564394), (84, 2442280), (96, 2136995), (105, 1953824), (112, 1831710), (120, 1709596), (140, 1465368), (160, 1282197), (168, 1221140), (210, 976912), (224, 915855), (240, 854798), (280, 732684), (336, 610570), (420, 488456), (480, 427399), (560, 366342), (672, 305285), (840, 244228), (1120, 183171), (1680, 122114), (3360, 61057)]