31538220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1311

約数の個数: 96

約数和(自身を含む): 102660096

約数和(自身を除く): 71121876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1231, 1281, 1708, 1830, 2135, 2462, 2562, 3660, 3693, 4270, 4924, 5124, 6155, 6405, 7386, 8540, 8617, 12310, 12810, 14772, 17234, 18465, 24620, 25620, 25851, 34468, 36930, 43085, 51702, 73860, 75091, 86170, 103404, 129255, 150182, 172340, 225273, 258510, 300364, 375455, 450546, 517020, 525637, 750910, 901092, 1051274, 1126365, 1501820, 1576911, 2102548, 2252730, 2628185, 3153822, 4505460, 5256370, 6307644, 7884555, 10512740, 15769110, 31538220]

約数ペア:

[(1, 31538220), (2, 15769110), (3, 10512740), (4, 7884555), (5, 6307644), (6, 5256370), (7, 4505460), (10, 3153822), (12, 2628185), (14, 2252730), (15, 2102548), (20, 1576911), (21, 1501820), (28, 1126365), (30, 1051274), (35, 901092), (42, 750910), (60, 525637), (61, 517020), (70, 450546), (84, 375455), (105, 300364), (122, 258510), (140, 225273), (183, 172340), (210, 150182), (244, 129255), (305, 103404), (366, 86170), (420, 75091), (427, 73860), (610, 51702), (732, 43085), (854, 36930), (915, 34468), (1220, 25851), (1231, 25620), (1281, 24620), (1708, 18465), (1830, 17234), (2135, 14772), (2462, 12810), (2562, 12310), (3660, 8617), (3693, 8540), (4270, 7386), (4924, 6405), (5124, 6155)]