156841840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 377493696

約数和(自身を除く): 220651856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 265, 284, 355, 424, 521, 530, 568, 710, 848, 1042, 1060, 1136, 1420, 2084, 2120, 2605, 2840, 3763, 4168, 4240, 5210, 5680, 7526, 8336, 10420, 15052, 18815, 20840, 27613, 30104, 36991, 37630, 41680, 55226, 60208, 73982, 75260, 110452, 138065, 147964, 150520, 184955, 220904, 276130, 295928, 301040, 369910, 441808, 552260, 591856, 739820, 1104520, 1479640, 1960523, 2209040, 2959280, 3921046, 7842092, 9802615, 15684184, 19605230, 31368368, 39210460, 78420920, 156841840]

約数ペア:

[(1, 156841840), (2, 78420920), (4, 39210460), (5, 31368368), (8, 19605230), (10, 15684184), (16, 9802615), (20, 7842092), (40, 3921046), (53, 2959280), (71, 2209040), (80, 1960523), (106, 1479640), (142, 1104520), (212, 739820), (265, 591856), (284, 552260), (355, 441808), (424, 369910), (521, 301040), (530, 295928), (568, 276130), (710, 220904), (848, 184955), (1042, 150520), (1060, 147964), (1136, 138065), (1420, 110452), (2084, 75260), (2120, 73982), (2605, 60208), (2840, 55226), (3763, 41680), (4168, 37630), (4240, 36991), (5210, 30104), (5680, 27613), (7526, 20840), (8336, 18815), (10420, 15052)]