1921072480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{387313}}^1$

素因数の和:387359

約数の個数: 48

約数和(自身を含む): 4684950144

約数和(自身を除く): 2763877664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 387313, 774626, 1549252, 1936565, 3098504, 3873130, 6197008, 7746260, 12006703, 12394016, 15492520, 24013406, 30985040, 48026812, 60033515, 61970080, 96053624, 120067030, 192107248, 240134060, 384214496, 480268120, 960536240, 1921072480]

約数ペア:

[(1, 1921072480), (2, 960536240), (4, 480268120), (5, 384214496), (8, 240134060), (10, 192107248), (16, 120067030), (20, 96053624), (31, 61970080), (32, 60033515), (40, 48026812), (62, 30985040), (80, 24013406), (124, 15492520), (155, 12394016), (160, 12006703), (248, 7746260), (310, 6197008), (496, 3873130), (620, 3098504), (992, 1936565), (1240, 1549252), (2480, 774626), (4960, 387313)]