91501960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 237945600

約数和(自身を除く): 146443640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 71, 88, 101, 110, 116, 142, 145, 202, 220, 232, 284, 290, 319, 355, 404, 440, 505, 568, 580, 638, 710, 781, 808, 1010, 1111, 1160, 1276, 1420, 1562, 1595, 2020, 2059, 2222, 2552, 2840, 2929, 3124, 3190, 3905, 4040, 4118, 4444, 5555, 5858, 6248, 6380, 7171, 7810, 8236, 8888, 10295, 11110, 11716, 12760, 14342, 14645, 15620, 16472, 20590, 22220, 22649, 23432, 28684, 29290, 31240, 32219, 35855, 41180, 44440, 45298, 57368, 58580, 64438, 71710, 78881, 82360, 90596, 113245, 117160, 128876, 143420, 157762, 161095, 181192, 207959, 226490, 257752, 286840, 315524, 322190, 394405, 415918, 452980, 631048, 644380, 788810, 831836, 905960, 1039795, 1288760, 1577620, 1663672, 2079590, 2287549, 3155240, 4159180, 4575098, 8318360, 9150196, 11437745, 18300392, 22875490, 45750980, 91501960]

約数ペア:

[(1, 91501960), (2, 45750980), (4, 22875490), (5, 18300392), (8, 11437745), (10, 9150196), (11, 8318360), (20, 4575098), (22, 4159180), (29, 3155240), (40, 2287549), (44, 2079590), (55, 1663672), (58, 1577620), (71, 1288760), (88, 1039795), (101, 905960), (110, 831836), (116, 788810), (142, 644380), (145, 631048), (202, 452980), (220, 415918), (232, 394405), (284, 322190), (290, 315524), (319, 286840), (355, 257752), (404, 226490), (440, 207959), (505, 181192), (568, 161095), (580, 157762), (638, 143420), (710, 128876), (781, 117160), (808, 113245), (1010, 90596), (1111, 82360), (1160, 78881), (1276, 71710), (1420, 64438), (1562, 58580), (1595, 57368), (2020, 45298), (2059, 44440), (2222, 41180), (2552, 35855), (2840, 32219), (2929, 31240), (3124, 29290), (3190, 28684), (3905, 23432), (4040, 22649), (4118, 22220), (4444, 20590), (5555, 16472), (5858, 15620), (6248, 14645), (6380, 14342), (7171, 12760), (7810, 11716), (8236, 11110), (8888, 10295)]