680769920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34313}}^1$

素因数の和:34363

約数の個数: 64

約数和(自身を含む): 1680013440

約数和(自身を除く): 999243520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 34313, 68626, 137252, 171565, 274504, 343130, 549008, 686260, 1063703, 1098016, 1372520, 2127406, 2196032, 2745040, 4254812, 4392064, 5318515, 5490080, 8509624, 10637030, 10980160, 17019248, 21274060, 21960320, 34038496, 42548120, 68076992, 85096240, 136153984, 170192480, 340384960, 680769920]

約数ペア:

[(1, 680769920), (2, 340384960), (4, 170192480), (5, 136153984), (8, 85096240), (10, 68076992), (16, 42548120), (20, 34038496), (31, 21960320), (32, 21274060), (40, 17019248), (62, 10980160), (64, 10637030), (80, 8509624), (124, 5490080), (128, 5318515), (155, 4392064), (160, 4254812), (248, 2745040), (310, 2196032), (320, 2127406), (496, 1372520), (620, 1098016), (640, 1063703), (992, 686260), (1240, 549008), (1984, 343130), (2480, 274504), (3968, 171565), (4960, 137252), (9920, 68626), (19840, 34313)]