221632020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39719}}^1$

素因数の和:39765

約数の個数: 72

約数和(自身を含む): 693987840

約数和(自身を除く): 472355820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39719, 79438, 119157, 158876, 198595, 238314, 357471, 397190, 476628, 595785, 714942, 794380, 1191570, 1231289, 1429884, 1787355, 2383140, 2462578, 3574710, 3693867, 4925156, 6156445, 7149420, 7387734, 11081601, 12312890, 14775468, 18469335, 22163202, 24625780, 36938670, 44326404, 55408005, 73877340, 110816010, 221632020]

約数ペア:

[(1, 221632020), (2, 110816010), (3, 73877340), (4, 55408005), (5, 44326404), (6, 36938670), (9, 24625780), (10, 22163202), (12, 18469335), (15, 14775468), (18, 12312890), (20, 11081601), (30, 7387734), (31, 7149420), (36, 6156445), (45, 4925156), (60, 3693867), (62, 3574710), (90, 2462578), (93, 2383140), (124, 1787355), (155, 1429884), (180, 1231289), (186, 1191570), (279, 794380), (310, 714942), (372, 595785), (465, 476628), (558, 397190), (620, 357471), (930, 238314), (1116, 198595), (1395, 158876), (1860, 119157), (2790, 79438), (5580, 39719)]