257321040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15101}}^1$

素因数の和:15188

約数の個数: 80

約数和(自身を含む): 808983936

約数和(自身を除く): 551662896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 15101, 17040, 30202, 45303, 60404, 75505, 90606, 120808, 151010, 181212, 226515, 241616, 302020, 362424, 453030, 604040, 724848, 906060, 1072171, 1208080, 1812120, 2144342, 3216513, 3624240, 4288684, 5360855, 6433026, 8577368, 10721710, 12866052, 16082565, 17154736, 21443420, 25732104, 32165130, 42886840, 51464208, 64330260, 85773680, 128660520, 257321040]

約数ペア:

[(1, 257321040), (2, 128660520), (3, 85773680), (4, 64330260), (5, 51464208), (6, 42886840), (8, 32165130), (10, 25732104), (12, 21443420), (15, 17154736), (16, 16082565), (20, 12866052), (24, 10721710), (30, 8577368), (40, 6433026), (48, 5360855), (60, 4288684), (71, 3624240), (80, 3216513), (120, 2144342), (142, 1812120), (213, 1208080), (240, 1072171), (284, 906060), (355, 724848), (426, 604040), (568, 453030), (710, 362424), (852, 302020), (1065, 241616), (1136, 226515), (1420, 181212), (1704, 151010), (2130, 120808), (2840, 90606), (3408, 75505), (4260, 60404), (5680, 45303), (8520, 30202), (15101, 17040)]