72491940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{773}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 220599288

約数和(自身を除く): 148107348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 773, 1042, 1546, 1563, 2084, 2319, 2605, 3092, 3126, 3865, 4638, 4689, 5210, 6252, 6957, 7730, 7815, 9276, 9378, 10420, 11595, 13914, 15460, 15630, 18756, 23190, 23445, 27828, 31260, 34785, 46380, 46890, 69570, 93780, 139140, 402733, 805466, 1208199, 1610932, 2013665, 2416398, 3624597, 4027330, 4832796, 6040995, 7249194, 8054660, 12081990, 14498388, 18122985, 24163980, 36245970, 72491940]

約数ペア:

[(1, 72491940), (2, 36245970), (3, 24163980), (4, 18122985), (5, 14498388), (6, 12081990), (9, 8054660), (10, 7249194), (12, 6040995), (15, 4832796), (18, 4027330), (20, 3624597), (30, 2416398), (36, 2013665), (45, 1610932), (60, 1208199), (90, 805466), (180, 402733), (521, 139140), (773, 93780), (1042, 69570), (1546, 46890), (1563, 46380), (2084, 34785), (2319, 31260), (2605, 27828), (3092, 23445), (3126, 23190), (3865, 18756), (4638, 15630), (4689, 15460), (5210, 13914), (6252, 11595), (6957, 10420), (7730, 9378), (7815, 9276)]