64240120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{733}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 165942720

約数和(自身を除く): 101702600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 733, 1252, 1466, 1565, 2191, 2504, 2932, 3130, 3665, 4382, 5131, 5864, 6260, 7330, 8764, 10262, 10955, 12520, 14660, 17528, 20524, 21910, 25655, 29320, 41048, 43820, 51310, 87640, 102620, 205240, 229429, 458858, 917716, 1147145, 1606003, 1835432, 2294290, 3212006, 4588580, 6424012, 8030015, 9177160, 12848024, 16060030, 32120060, 64240120]

約数ペア:

[(1, 64240120), (2, 32120060), (4, 16060030), (5, 12848024), (7, 9177160), (8, 8030015), (10, 6424012), (14, 4588580), (20, 3212006), (28, 2294290), (35, 1835432), (40, 1606003), (56, 1147145), (70, 917716), (140, 458858), (280, 229429), (313, 205240), (626, 102620), (733, 87640), (1252, 51310), (1466, 43820), (1565, 41048), (2191, 29320), (2504, 25655), (2932, 21910), (3130, 20524), (3665, 17528), (4382, 14660), (5131, 12520), (5864, 10955), (6260, 10262), (7330, 8764)]