71663480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36563}}^1$

素因数の和:36588

約数の個数: 48

約数和(自身を含む): 187573320

約数和(自身を除く): 115909840

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, 36563, 73126, 146252, 182815, 255941, 292504, 365630, 511882, 731260, 1023764, 1279705, 1462520, 1791587, 2047528, 2559410, 3583174, 5118820, 7166348, 8957935, 10237640, 14332696, 17915870, 35831740, 71663480]

約数ペア:

[(1, 71663480), (2, 35831740), (4, 17915870), (5, 14332696), (7, 10237640), (8, 8957935), (10, 7166348), (14, 5118820), (20, 3583174), (28, 2559410), (35, 2047528), (40, 1791587), (49, 1462520), (56, 1279705), (70, 1023764), (98, 731260), (140, 511882), (196, 365630), (245, 292504), (280, 255941), (392, 182815), (490, 146252), (980, 73126), (1960, 36563)]