85890607020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{239423}}^1$

素因数の和:241431

約数の個数: 72

約数和(自身を含む): 260666654976

約数和(自身を除く): 174776047956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1993, 3986, 5979, 7972, 9965, 11958, 17937, 19930, 23916, 29895, 35874, 39860, 59790, 71748, 89685, 119580, 179370, 239423, 358740, 478846, 718269, 957692, 1197115, 1436538, 2154807, 2394230, 2873076, 3591345, 4309614, 4788460, 7182690, 8619228, 10774035, 14365380, 21548070, 43096140, 477170039, 954340078, 1431510117, 1908680156, 2385850195, 2863020234, 4294530351, 4771700390, 5726040468, 7157550585, 8589060702, 9543400780, 14315101170, 17178121404, 21472651755, 28630202340, 42945303510, 85890607020]

約数ペア:

[(1, 85890607020), (2, 42945303510), (3, 28630202340), (4, 21472651755), (5, 17178121404), (6, 14315101170), (9, 9543400780), (10, 8589060702), (12, 7157550585), (15, 5726040468), (18, 4771700390), (20, 4294530351), (30, 2863020234), (36, 2385850195), (45, 1908680156), (60, 1431510117), (90, 954340078), (180, 477170039), (1993, 43096140), (3986, 21548070), (5979, 14365380), (7972, 10774035), (9965, 8619228), (11958, 7182690), (17937, 4788460), (19930, 4309614), (23916, 3591345), (29895, 2873076), (35874, 2394230), (39860, 2154807), (59790, 1436538), (71748, 1197115), (89685, 957692), (119580, 718269), (179370, 478846), (239423, 358740)]