15909620

素因数分解:

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

素因数の和:740

約数の個数: 48

約数和(自身を含む): 35916048

約数和(自身を除く): 20006428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 641, 730, 1241, 1282, 1460, 2482, 2564, 3205, 4964, 6205, 6410, 10897, 12410, 12820, 21794, 24820, 43588, 46793, 54485, 93586, 108970, 187172, 217940, 233965, 467930, 795481, 935860, 1590962, 3181924, 3977405, 7954810, 15909620]

約数ペア:

[(1, 15909620), (2, 7954810), (4, 3977405), (5, 3181924), (10, 1590962), (17, 935860), (20, 795481), (34, 467930), (68, 233965), (73, 217940), (85, 187172), (146, 108970), (170, 93586), (292, 54485), (340, 46793), (365, 43588), (641, 24820), (730, 21794), (1241, 12820), (1282, 12410), (1460, 10897), (2482, 6410), (2564, 6205), (3205, 4964)]