61680620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 133146720

約数和(自身を除く): 71466100

約数列:

[1, 2, 4, 5, 10, 20, 73, 83, 146, 166, 292, 332, 365, 415, 509, 730, 830, 1018, 1460, 1660, 2036, 2545, 5090, 6059, 10180, 12118, 24236, 30295, 37157, 42247, 60590, 74314, 84494, 121180, 148628, 168988, 185785, 211235, 371570, 422470, 743140, 844940, 3084031, 6168062, 12336124, 15420155, 30840310, 61680620]

約数ペア:

[(1, 61680620), (2, 30840310), (4, 15420155), (5, 12336124), (10, 6168062), (20, 3084031), (73, 844940), (83, 743140), (146, 422470), (166, 371570), (292, 211235), (332, 185785), (365, 168988), (415, 148628), (509, 121180), (730, 84494), (830, 74314), (1018, 60590), (1460, 42247), (1660, 37157), (2036, 30295), (2545, 24236), (5090, 12118), (6059, 10180)]