68437180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2999}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 165312000

約数和(自身を除く): 96874820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 2999, 3260, 4564, 5705, 5998, 11410, 11996, 14995, 20993, 22820, 29990, 41986, 59980, 83972, 104965, 209930, 419860, 488837, 977674, 1955348, 2444185, 3421859, 4888370, 6843718, 9776740, 13687436, 17109295, 34218590, 68437180]

約数ペア:

[(1, 68437180), (2, 34218590), (4, 17109295), (5, 13687436), (7, 9776740), (10, 6843718), (14, 4888370), (20, 3421859), (28, 2444185), (35, 1955348), (70, 977674), (140, 488837), (163, 419860), (326, 209930), (652, 104965), (815, 83972), (1141, 59980), (1630, 41986), (2282, 29990), (2999, 22820), (3260, 20993), (4564, 14995), (5705, 11996), (5998, 11410)]