15978160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 41283072

約数和(自身を除く): 25304912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 271, 335, 440, 536, 542, 670, 737, 880, 1072, 1084, 1340, 1355, 1474, 2168, 2680, 2710, 2948, 2981, 3685, 4336, 5360, 5420, 5896, 5962, 7370, 10840, 11792, 11924, 14740, 14905, 18157, 21680, 23848, 29480, 29810, 36314, 47696, 58960, 59620, 72628, 90785, 119240, 145256, 181570, 199727, 238480, 290512, 363140, 399454, 726280, 798908, 998635, 1452560, 1597816, 1997270, 3195632, 3994540, 7989080, 15978160]

約数ペア:

[(1, 15978160), (2, 7989080), (4, 3994540), (5, 3195632), (8, 1997270), (10, 1597816), (11, 1452560), (16, 998635), (20, 798908), (22, 726280), (40, 399454), (44, 363140), (55, 290512), (67, 238480), (80, 199727), (88, 181570), (110, 145256), (134, 119240), (176, 90785), (220, 72628), (268, 59620), (271, 58960), (335, 47696), (440, 36314), (536, 29810), (542, 29480), (670, 23848), (737, 21680), (880, 18157), (1072, 14905), (1084, 14740), (1340, 11924), (1355, 11792), (1474, 10840), (2168, 7370), (2680, 5962), (2710, 5896), (2948, 5420), (2981, 5360), (3685, 4336)]