71811080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 182853720

約数和(自身を除く): 111042640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 121, 148, 185, 220, 242, 296, 370, 401, 407, 440, 484, 605, 740, 802, 814, 968, 1210, 1480, 1604, 1628, 2005, 2035, 2420, 3208, 3256, 4010, 4070, 4411, 4477, 4840, 8020, 8140, 8822, 8954, 14837, 16040, 16280, 17644, 17908, 22055, 22385, 29674, 35288, 35816, 44110, 44770, 48521, 59348, 74185, 88220, 89540, 97042, 118696, 148370, 163207, 176440, 179080, 194084, 242605, 296740, 326414, 388168, 485210, 593480, 652828, 816035, 970420, 1305656, 1632070, 1795277, 1940840, 3264140, 3590554, 6528280, 7181108, 8976385, 14362216, 17952770, 35905540, 71811080]

約数ペア:

[(1, 71811080), (2, 35905540), (4, 17952770), (5, 14362216), (8, 8976385), (10, 7181108), (11, 6528280), (20, 3590554), (22, 3264140), (37, 1940840), (40, 1795277), (44, 1632070), (55, 1305656), (74, 970420), (88, 816035), (110, 652828), (121, 593480), (148, 485210), (185, 388168), (220, 326414), (242, 296740), (296, 242605), (370, 194084), (401, 179080), (407, 176440), (440, 163207), (484, 148370), (605, 118696), (740, 97042), (802, 89540), (814, 88220), (968, 74185), (1210, 59348), (1480, 48521), (1604, 44770), (1628, 44110), (2005, 35816), (2035, 35288), (2420, 29674), (3208, 22385), (3256, 22055), (4010, 17908), (4070, 17644), (4411, 16280), (4477, 16040), (4840, 14837), (8020, 8954), (8140, 8822)]