31531640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5927}}^1$

素因数の和:5964

約数の個数: 64

約数和(自身を含む): 85363200

約数和(自身を除く): 53831560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5927, 11854, 23708, 29635, 41489, 47416, 59270, 82978, 112613, 118540, 165956, 207445, 225226, 237080, 331912, 414890, 450452, 563065, 788291, 829780, 900904, 1126130, 1576582, 1659560, 2252260, 3153164, 3941455, 4504520, 6306328, 7882910, 15765820, 31531640]

約数ペア:

[(1, 31531640), (2, 15765820), (4, 7882910), (5, 6306328), (7, 4504520), (8, 3941455), (10, 3153164), (14, 2252260), (19, 1659560), (20, 1576582), (28, 1126130), (35, 900904), (38, 829780), (40, 788291), (56, 563065), (70, 450452), (76, 414890), (95, 331912), (133, 237080), (140, 225226), (152, 207445), (190, 165956), (266, 118540), (280, 112613), (380, 82978), (532, 59270), (665, 47416), (760, 41489), (1064, 29635), (1330, 23708), (2660, 11854), (5320, 5927)]