315023560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{761}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 724204800

約数和(自身を除く): 409181240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 131, 158, 262, 316, 395, 524, 632, 655, 761, 790, 1048, 1310, 1522, 1580, 2620, 3044, 3160, 3805, 5240, 6088, 7610, 10349, 15220, 20698, 30440, 41396, 51745, 60119, 82792, 99691, 103490, 120238, 199382, 206980, 240476, 300595, 398764, 413960, 480952, 498455, 601190, 797528, 996910, 1202380, 1993820, 2404760, 3987640, 7875589, 15751178, 31502356, 39377945, 63004712, 78755890, 157511780, 315023560]

約数ペア:

[(1, 315023560), (2, 157511780), (4, 78755890), (5, 63004712), (8, 39377945), (10, 31502356), (20, 15751178), (40, 7875589), (79, 3987640), (131, 2404760), (158, 1993820), (262, 1202380), (316, 996910), (395, 797528), (524, 601190), (632, 498455), (655, 480952), (761, 413960), (790, 398764), (1048, 300595), (1310, 240476), (1522, 206980), (1580, 199382), (2620, 120238), (3044, 103490), (3160, 99691), (3805, 82792), (5240, 60119), (6088, 51745), (7610, 41396), (10349, 30440), (15220, 20698)]