72041480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{563}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 185984640

約数和(自身を除く): 113943160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 563, 914, 1126, 1828, 2252, 2285, 2815, 3199, 3656, 3941, 4504, 4570, 5630, 6398, 7882, 9140, 11260, 12796, 15764, 15995, 18280, 19705, 22520, 25592, 31528, 31990, 39410, 63980, 78820, 127960, 157640, 257291, 514582, 1029164, 1286455, 1801037, 2058328, 2572910, 3602074, 5145820, 7204148, 9005185, 10291640, 14408296, 18010370, 36020740, 72041480]

約数ペア:

[(1, 72041480), (2, 36020740), (4, 18010370), (5, 14408296), (7, 10291640), (8, 9005185), (10, 7204148), (14, 5145820), (20, 3602074), (28, 2572910), (35, 2058328), (40, 1801037), (56, 1286455), (70, 1029164), (140, 514582), (280, 257291), (457, 157640), (563, 127960), (914, 78820), (1126, 63980), (1828, 39410), (2252, 31990), (2285, 31528), (2815, 25592), (3199, 22520), (3656, 19705), (3941, 18280), (4504, 15995), (4570, 15764), (5630, 12796), (6398, 11260), (7882, 9140)]