31819240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 76962960

約数和(自身を除く): 45143720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 365, 584, 641, 680, 730, 1241, 1282, 1460, 2482, 2564, 2920, 3205, 4964, 5128, 6205, 6410, 9928, 10897, 12410, 12820, 21794, 24820, 25640, 43588, 46793, 49640, 54485, 87176, 93586, 108970, 187172, 217940, 233965, 374344, 435880, 467930, 795481, 935860, 1590962, 1871720, 3181924, 3977405, 6363848, 7954810, 15909620, 31819240]

約数ペア:

[(1, 31819240), (2, 15909620), (4, 7954810), (5, 6363848), (8, 3977405), (10, 3181924), (17, 1871720), (20, 1590962), (34, 935860), (40, 795481), (68, 467930), (73, 435880), (85, 374344), (136, 233965), (146, 217940), (170, 187172), (292, 108970), (340, 93586), (365, 87176), (584, 54485), (641, 49640), (680, 46793), (730, 43588), (1241, 25640), (1282, 24820), (1460, 21794), (2482, 12820), (2564, 12410), (2920, 10897), (3205, 9928), (4964, 6410), (5128, 6205)]