91489240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1621}}^1$

素因数の和:1732

約数の個数: 64

約数和(自身を含む): 220721760

約数和(自身を除く): 129232520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1411, 1621, 1660, 2822, 3242, 3320, 5644, 6484, 7055, 8105, 11288, 12968, 14110, 16210, 27557, 28220, 32420, 55114, 56440, 64840, 110228, 134543, 137785, 220456, 269086, 275570, 538172, 551140, 672715, 1076344, 1102280, 1345430, 2287231, 2690860, 4574462, 5381720, 9148924, 11436155, 18297848, 22872310, 45744620, 91489240]

約数ペア:

[(1, 91489240), (2, 45744620), (4, 22872310), (5, 18297848), (8, 11436155), (10, 9148924), (17, 5381720), (20, 4574462), (34, 2690860), (40, 2287231), (68, 1345430), (83, 1102280), (85, 1076344), (136, 672715), (166, 551140), (170, 538172), (332, 275570), (340, 269086), (415, 220456), (664, 137785), (680, 134543), (830, 110228), (1411, 64840), (1621, 56440), (1660, 55114), (2822, 32420), (3242, 28220), (3320, 27557), (5644, 16210), (6484, 14110), (7055, 12968), (8105, 11288)]