64505820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63241}}^1$

素因数の和:63270

約数の個数: 48

約数和(自身を含む): 191243808

約数和(自身を除く): 126737988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 63241, 126482, 189723, 252964, 316205, 379446, 632410, 758892, 948615, 1075097, 1264820, 1897230, 2150194, 3225291, 3794460, 4300388, 5375485, 6450582, 10750970, 12901164, 16126455, 21501940, 32252910, 64505820]

約数ペア:

[(1, 64505820), (2, 32252910), (3, 21501940), (4, 16126455), (5, 12901164), (6, 10750970), (10, 6450582), (12, 5375485), (15, 4300388), (17, 3794460), (20, 3225291), (30, 2150194), (34, 1897230), (51, 1264820), (60, 1075097), (68, 948615), (85, 758892), (102, 632410), (170, 379446), (204, 316205), (255, 252964), (340, 189723), (510, 126482), (1020, 63241)]