2813804560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{18679}}^1$

素因数の和:18968

約数の個数: 80

約数和(自身を含む): 7504876800

約数和(自身を除く): 4691072240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 269, 280, 538, 560, 1076, 1345, 1883, 2152, 2690, 3766, 4304, 5380, 7532, 9415, 10760, 15064, 18679, 18830, 21520, 30128, 37358, 37660, 74716, 75320, 93395, 130753, 149432, 150640, 186790, 261506, 298864, 373580, 523012, 653765, 747160, 1046024, 1307530, 1494320, 2092048, 2615060, 5024651, 5230120, 10049302, 10460240, 20098604, 25123255, 35172557, 40197208, 50246510, 70345114, 80394416, 100493020, 140690228, 175862785, 200986040, 281380456, 351725570, 401972080, 562760912, 703451140, 1406902280, 2813804560]

約数ペア:

[(1, 2813804560), (2, 1406902280), (4, 703451140), (5, 562760912), (7, 401972080), (8, 351725570), (10, 281380456), (14, 200986040), (16, 175862785), (20, 140690228), (28, 100493020), (35, 80394416), (40, 70345114), (56, 50246510), (70, 40197208), (80, 35172557), (112, 25123255), (140, 20098604), (269, 10460240), (280, 10049302), (538, 5230120), (560, 5024651), (1076, 2615060), (1345, 2092048), (1883, 1494320), (2152, 1307530), (2690, 1046024), (3766, 747160), (4304, 653765), (5380, 523012), (7532, 373580), (9415, 298864), (10760, 261506), (15064, 186790), (18679, 150640), (18830, 149432), (21520, 130753), (30128, 93395), (37358, 75320), (37660, 74716)]