31207980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3191}}^1$

素因数の和:3366

約数の個数: 48

約数和(自身を含む): 87945984

約数和(自身を除く): 56738004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3191, 3260, 4890, 6382, 9573, 9780, 12764, 15955, 19146, 31910, 38292, 47865, 63820, 95730, 191460, 520133, 1040266, 1560399, 2080532, 2600665, 3120798, 5201330, 6241596, 7801995, 10402660, 15603990, 31207980]

約数ペア:

[(1, 31207980), (2, 15603990), (3, 10402660), (4, 7801995), (5, 6241596), (6, 5201330), (10, 3120798), (12, 2600665), (15, 2080532), (20, 1560399), (30, 1040266), (60, 520133), (163, 191460), (326, 95730), (489, 63820), (652, 47865), (815, 38292), (978, 31910), (1630, 19146), (1956, 15955), (2445, 12764), (3191, 9780), (3260, 9573), (4890, 6382)]