77444820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13879}}^1$

素因数の和:13925

約数の個数: 72

約数和(自身を含む): 242511360

約数和(自身を除く): 165066540

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, 13879, 27758, 41637, 55516, 69395, 83274, 124911, 138790, 166548, 208185, 249822, 277580, 416370, 430249, 499644, 624555, 832740, 860498, 1249110, 1290747, 1720996, 2151245, 2498220, 2581494, 3872241, 4302490, 5162988, 6453735, 7744482, 8604980, 12907470, 15488964, 19361205, 25814940, 38722410, 77444820]

約数ペア:

[(1, 77444820), (2, 38722410), (3, 25814940), (4, 19361205), (5, 15488964), (6, 12907470), (9, 8604980), (10, 7744482), (12, 6453735), (15, 5162988), (18, 4302490), (20, 3872241), (30, 2581494), (31, 2498220), (36, 2151245), (45, 1720996), (60, 1290747), (62, 1249110), (90, 860498), (93, 832740), (124, 624555), (155, 499644), (180, 430249), (186, 416370), (279, 277580), (310, 249822), (372, 208185), (465, 166548), (558, 138790), (620, 124911), (930, 83274), (1116, 69395), (1395, 55516), (1860, 41637), (2790, 27758), (5580, 13879)]