7165480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 18656640

約数和(自身を除く): 11491160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 163, 280, 314, 326, 628, 652, 785, 815, 1099, 1141, 1256, 1304, 1570, 1630, 2198, 2282, 3140, 3260, 4396, 4564, 5495, 5705, 6280, 6520, 8792, 9128, 10990, 11410, 21980, 22820, 25591, 43960, 45640, 51182, 102364, 127955, 179137, 204728, 255910, 358274, 511820, 716548, 895685, 1023640, 1433096, 1791370, 3582740, 7165480]

約数ペア:

[(1, 7165480), (2, 3582740), (4, 1791370), (5, 1433096), (7, 1023640), (8, 895685), (10, 716548), (14, 511820), (20, 358274), (28, 255910), (35, 204728), (40, 179137), (56, 127955), (70, 102364), (140, 51182), (157, 45640), (163, 43960), (280, 25591), (314, 22820), (326, 21980), (628, 11410), (652, 10990), (785, 9128), (815, 8792), (1099, 6520), (1141, 6280), (1256, 5705), (1304, 5495), (1570, 4564), (1630, 4396), (2198, 3260), (2282, 3140)]