91791680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3631}}^1$

素因数の和:3727

約数の個数: 56

約数和(自身を含む): 221406720

約数和(自身を除く): 129615040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 3631, 5056, 6320, 7262, 12640, 14524, 18155, 25280, 29048, 36310, 58096, 72620, 116192, 145240, 232384, 286849, 290480, 573698, 580960, 1147396, 1161920, 1434245, 2294792, 2868490, 4589584, 5736980, 9179168, 11473960, 18358336, 22947920, 45895840, 91791680]

約数ペア:

[(1, 91791680), (2, 45895840), (4, 22947920), (5, 18358336), (8, 11473960), (10, 9179168), (16, 5736980), (20, 4589584), (32, 2868490), (40, 2294792), (64, 1434245), (79, 1161920), (80, 1147396), (158, 580960), (160, 573698), (316, 290480), (320, 286849), (395, 232384), (632, 145240), (790, 116192), (1264, 72620), (1580, 58096), (2528, 36310), (3160, 29048), (3631, 25280), (5056, 18155), (6320, 14524), (7262, 12640)]