87906840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{104651}}^1$

素因数の和:104672

約数の個数: 64

約数和(自身を含む): 301397760

約数和(自身を除く): 213490920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 104651, 209302, 313953, 418604, 523255, 627906, 732557, 837208, 1046510, 1255812, 1465114, 1569765, 2093020, 2197671, 2511624, 2930228, 3139530, 3662785, 4186040, 4395342, 5860456, 6279060, 7325570, 8790684, 10988355, 12558120, 14651140, 17581368, 21976710, 29302280, 43953420, 87906840]

約数ペア:

[(1, 87906840), (2, 43953420), (3, 29302280), (4, 21976710), (5, 17581368), (6, 14651140), (7, 12558120), (8, 10988355), (10, 8790684), (12, 7325570), (14, 6279060), (15, 5860456), (20, 4395342), (21, 4186040), (24, 3662785), (28, 3139530), (30, 2930228), (35, 2511624), (40, 2197671), (42, 2093020), (56, 1569765), (60, 1465114), (70, 1255812), (84, 1046510), (105, 837208), (120, 732557), (140, 627906), (168, 523255), (210, 418604), (280, 313953), (420, 209302), (840, 104651)]