66718820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15373}}^1$

素因数の和:15420

約数の個数: 48

約数和(自身を含む): 165301248

約数和(自身を除く): 98582428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15373, 30746, 61492, 76865, 107611, 153730, 215222, 307460, 430444, 476563, 538055, 953126, 1076110, 1906252, 2152220, 2382815, 3335941, 4765630, 6671882, 9531260, 13343764, 16679705, 33359410, 66718820]

約数ペア:

[(1, 66718820), (2, 33359410), (4, 16679705), (5, 13343764), (7, 9531260), (10, 6671882), (14, 4765630), (20, 3335941), (28, 2382815), (31, 2152220), (35, 1906252), (62, 1076110), (70, 953126), (124, 538055), (140, 476563), (155, 430444), (217, 307460), (310, 215222), (434, 153730), (620, 107611), (868, 76865), (1085, 61492), (2170, 30746), (4340, 15373)]