4472720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 80

約数和(自身を含む): 12201600

約数和(自身を除く): 7728880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 163, 196, 245, 280, 326, 343, 392, 490, 560, 652, 686, 784, 815, 980, 1141, 1304, 1372, 1630, 1715, 1960, 2282, 2608, 2744, 3260, 3430, 3920, 4564, 5488, 5705, 6520, 6860, 7987, 9128, 11410, 13040, 13720, 15974, 18256, 22820, 27440, 31948, 39935, 45640, 55909, 63896, 79870, 91280, 111818, 127792, 159740, 223636, 279545, 319480, 447272, 559090, 638960, 894544, 1118180, 2236360, 4472720]

約数ペア:

[(1, 4472720), (2, 2236360), (4, 1118180), (5, 894544), (7, 638960), (8, 559090), (10, 447272), (14, 319480), (16, 279545), (20, 223636), (28, 159740), (35, 127792), (40, 111818), (49, 91280), (56, 79870), (70, 63896), (80, 55909), (98, 45640), (112, 39935), (140, 31948), (163, 27440), (196, 22820), (245, 18256), (280, 15974), (326, 13720), (343, 13040), (392, 11410), (490, 9128), (560, 7987), (652, 6860), (686, 6520), (784, 5705), (815, 5488), (980, 4564), (1141, 3920), (1304, 3430), (1372, 3260), (1630, 2744), (1715, 2608), (1960, 2282)]