81716460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3671}}^1$

素因数の和:3743

約数の個数: 96

約数和(自身を含む): 266499072

約数和(自身を除く): 184782612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 3180, 3671, 3710, 4452, 5565, 7342, 7420, 11013, 11130, 14684, 18355, 22026, 22260, 25697, 36710, 44052, 51394, 55065, 73420, 77091, 102788, 110130, 128485, 154182, 194563, 220260, 256970, 308364, 385455, 389126, 513940, 583689, 770910, 778252, 972815, 1167378, 1361941, 1541820, 1945630, 2334756, 2723882, 2918445, 3891260, 4085823, 5447764, 5836890, 6809705, 8171646, 11673780, 13619410, 16343292, 20429115, 27238820, 40858230, 81716460]

約数ペア:

[(1, 81716460), (2, 40858230), (3, 27238820), (4, 20429115), (5, 16343292), (6, 13619410), (7, 11673780), (10, 8171646), (12, 6809705), (14, 5836890), (15, 5447764), (20, 4085823), (21, 3891260), (28, 2918445), (30, 2723882), (35, 2334756), (42, 1945630), (53, 1541820), (60, 1361941), (70, 1167378), (84, 972815), (105, 778252), (106, 770910), (140, 583689), (159, 513940), (210, 389126), (212, 385455), (265, 308364), (318, 256970), (371, 220260), (420, 194563), (530, 154182), (636, 128485), (742, 110130), (795, 102788), (1060, 77091), (1113, 73420), (1484, 55065), (1590, 51394), (1855, 44052), (2226, 36710), (3180, 25697), (3671, 22260), (3710, 22026), (4452, 18355), (5565, 14684), (7342, 11130), (7420, 11013)]