31657560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 128

約数和(自身を含む): 107308800

約数和(自身を除く): 75651240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 827, 870, 957, 1160, 1276, 1320, 1595, 1654, 1740, 1914, 2481, 2552, 3190, 3308, 3480, 3828, 4135, 4785, 4962, 6380, 6616, 7656, 8270, 9097, 9570, 9924, 12405, 12760, 16540, 18194, 19140, 19848, 23983, 24810, 27291, 33080, 36388, 38280, 45485, 47966, 49620, 54582, 71949, 72776, 90970, 95932, 99240, 109164, 119915, 136455, 143898, 181940, 191864, 218328, 239830, 263813, 272910, 287796, 359745, 363880, 479660, 527626, 545820, 575592, 719490, 791439, 959320, 1055252, 1091640, 1319065, 1438980, 1582878, 2110504, 2638130, 2877960, 3165756, 3957195, 5276260, 6331512, 7914390, 10552520, 15828780, 31657560]

約数ペア:

[(1, 31657560), (2, 15828780), (3, 10552520), (4, 7914390), (5, 6331512), (6, 5276260), (8, 3957195), (10, 3165756), (11, 2877960), (12, 2638130), (15, 2110504), (20, 1582878), (22, 1438980), (24, 1319065), (29, 1091640), (30, 1055252), (33, 959320), (40, 791439), (44, 719490), (55, 575592), (58, 545820), (60, 527626), (66, 479660), (87, 363880), (88, 359745), (110, 287796), (116, 272910), (120, 263813), (132, 239830), (145, 218328), (165, 191864), (174, 181940), (220, 143898), (232, 136455), (264, 119915), (290, 109164), (319, 99240), (330, 95932), (348, 90970), (435, 72776), (440, 71949), (580, 54582), (638, 49620), (660, 47966), (696, 45485), (827, 38280), (870, 36388), (957, 33080), (1160, 27291), (1276, 24810), (1320, 23983), (1595, 19848), (1654, 19140), (1740, 18194), (1914, 16540), (2481, 12760), (2552, 12405), (3190, 9924), (3308, 9570), (3480, 9097), (3828, 8270), (4135, 7656), (4785, 6616), (4962, 6380)]