1281566220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{3727}}^1$

素因数の和:4271

約数の個数: 96

約数和(自身を含む): 3923168256

約数和(自身を除く): 2641602036

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 521, 660, 1042, 1563, 2084, 2605, 3126, 3727, 5210, 5731, 6252, 7454, 7815, 10420, 11181, 11462, 14908, 15630, 17193, 18635, 22362, 22924, 28655, 31260, 34386, 37270, 40997, 44724, 55905, 57310, 68772, 74540, 81994, 85965, 111810, 114620, 122991, 163988, 171930, 204985, 223620, 245982, 343860, 409970, 491964, 614955, 819940, 1229910, 1941767, 2459820, 3883534, 5825301, 7767068, 9708835, 11650602, 19417670, 21359437, 23301204, 29126505, 38835340, 42718874, 58253010, 64078311, 85437748, 106797185, 116506020, 128156622, 213594370, 256313244, 320391555, 427188740, 640783110, 1281566220]

約数ペア:

[(1, 1281566220), (2, 640783110), (3, 427188740), (4, 320391555), (5, 256313244), (6, 213594370), (10, 128156622), (11, 116506020), (12, 106797185), (15, 85437748), (20, 64078311), (22, 58253010), (30, 42718874), (33, 38835340), (44, 29126505), (55, 23301204), (60, 21359437), (66, 19417670), (110, 11650602), (132, 9708835), (165, 7767068), (220, 5825301), (330, 3883534), (521, 2459820), (660, 1941767), (1042, 1229910), (1563, 819940), (2084, 614955), (2605, 491964), (3126, 409970), (3727, 343860), (5210, 245982), (5731, 223620), (6252, 204985), (7454, 171930), (7815, 163988), (10420, 122991), (11181, 114620), (11462, 111810), (14908, 85965), (15630, 81994), (17193, 74540), (18635, 68772), (22362, 57310), (22924, 55905), (28655, 44724), (31260, 40997), (34386, 37270)]