80515428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 220248000

約数和(自身を除く): 139732572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 149, 196, 294, 298, 447, 588, 596, 894, 919, 1043, 1788, 1838, 2086, 2757, 3129, 3676, 4172, 5514, 6258, 6433, 7301, 11028, 12516, 12866, 14602, 19299, 21903, 25732, 29204, 38598, 43806, 45031, 77196, 87612, 90062, 135093, 136931, 180124, 270186, 273862, 410793, 540372, 547724, 821586, 958517, 1643172, 1917034, 2875551, 3834068, 5751102, 6709619, 11502204, 13419238, 20128857, 26838476, 40257714, 80515428]

約数ペア:

[(1, 80515428), (2, 40257714), (3, 26838476), (4, 20128857), (6, 13419238), (7, 11502204), (12, 6709619), (14, 5751102), (21, 3834068), (28, 2875551), (42, 1917034), (49, 1643172), (84, 958517), (98, 821586), (147, 547724), (149, 540372), (196, 410793), (294, 273862), (298, 270186), (447, 180124), (588, 136931), (596, 135093), (894, 90062), (919, 87612), (1043, 77196), (1788, 45031), (1838, 43806), (2086, 38598), (2757, 29204), (3129, 25732), (3676, 21903), (4172, 19299), (5514, 14602), (6258, 12866), (6433, 12516), (7301, 11028)]