315421680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{187751}}^1$

素因数の和:187774

約数の個数: 80

約数和(自身を含む): 1117499904

約数和(自身を除く): 802078224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 187751, 375502, 563253, 751004, 938755, 1126506, 1314257, 1502008, 1877510, 2253012, 2628514, 2816265, 3004016, 3755020, 3942771, 4506024, 5257028, 5632530, 6571285, 7510040, 7885542, 9012048, 10514056, 11265060, 13142570, 15020080, 15771084, 19713855, 21028112, 22530120, 26285140, 31542168, 39427710, 45060240, 52570280, 63084336, 78855420, 105140560, 157710840, 315421680]

約数ペア:

[(1, 315421680), (2, 157710840), (3, 105140560), (4, 78855420), (5, 63084336), (6, 52570280), (7, 45060240), (8, 39427710), (10, 31542168), (12, 26285140), (14, 22530120), (15, 21028112), (16, 19713855), (20, 15771084), (21, 15020080), (24, 13142570), (28, 11265060), (30, 10514056), (35, 9012048), (40, 7885542), (42, 7510040), (48, 6571285), (56, 5632530), (60, 5257028), (70, 4506024), (80, 3942771), (84, 3755020), (105, 3004016), (112, 2816265), (120, 2628514), (140, 2253012), (168, 1877510), (210, 1502008), (240, 1314257), (280, 1126506), (336, 938755), (420, 751004), (560, 563253), (840, 375502), (1680, 187751)]