67987480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1277}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 168389280

約数和(自身を除く): 100401800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1277, 1331, 2420, 2554, 2662, 4840, 5108, 5324, 6385, 6655, 10216, 10648, 12770, 13310, 14047, 25540, 26620, 28094, 51080, 53240, 56188, 70235, 112376, 140470, 154517, 280940, 309034, 561880, 618068, 772585, 1236136, 1545170, 1699687, 3090340, 3399374, 6180680, 6798748, 8498435, 13597496, 16996870, 33993740, 67987480]

約数ペア:

[(1, 67987480), (2, 33993740), (4, 16996870), (5, 13597496), (8, 8498435), (10, 6798748), (11, 6180680), (20, 3399374), (22, 3090340), (40, 1699687), (44, 1545170), (55, 1236136), (88, 772585), (110, 618068), (121, 561880), (220, 309034), (242, 280940), (440, 154517), (484, 140470), (605, 112376), (968, 70235), (1210, 56188), (1277, 53240), (1331, 51080), (2420, 28094), (2554, 26620), (2662, 25540), (4840, 14047), (5108, 13310), (5324, 12770), (6385, 10648), (6655, 10216)]