313575280

素因数分解:

$2^4\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{2357}}^1$

素因数の和:4033

約数の個数: 40

約数和(自身を含む): 729810432

約数和(自身を除く): 416235152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1663, 2357, 3326, 4714, 6652, 8315, 9428, 11785, 13304, 16630, 18856, 23570, 26608, 33260, 37712, 47140, 66520, 94280, 133040, 188560, 3919691, 7839382, 15678764, 19598455, 31357528, 39196910, 62715056, 78393820, 156787640, 313575280]

約数ペア:

[(1, 313575280), (2, 156787640), (4, 78393820), (5, 62715056), (8, 39196910), (10, 31357528), (16, 19598455), (20, 15678764), (40, 7839382), (80, 3919691), (1663, 188560), (2357, 133040), (3326, 94280), (4714, 66520), (6652, 47140), (8315, 37712), (9428, 33260), (11785, 26608), (13304, 23570), (16630, 18856)]