30707320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15667}}^1$

素因数の和:15692

約数の個数: 48

約数和(自身を含む): 80376840

約数和(自身を除く): 49669520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15667, 31334, 62668, 78335, 109669, 125336, 156670, 219338, 313340, 438676, 548345, 626680, 767683, 877352, 1096690, 1535366, 2193380, 3070732, 3838415, 4386760, 6141464, 7676830, 15353660, 30707320]

約数ペア:

[(1, 30707320), (2, 15353660), (4, 7676830), (5, 6141464), (7, 4386760), (8, 3838415), (10, 3070732), (14, 2193380), (20, 1535366), (28, 1096690), (35, 877352), (40, 767683), (49, 626680), (56, 548345), (70, 438676), (98, 313340), (140, 219338), (196, 156670), (245, 125336), (280, 109669), (392, 78335), (490, 62668), (980, 31334), (1960, 15667)]