1898730

素因数分解:

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

素因数の和:120

約数の個数: 72

約数和(自身を含む): 5316012

約数和(自身を除く): 3417282

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 73, 85, 90, 102, 146, 153, 170, 219, 255, 289, 306, 365, 438, 510, 578, 657, 730, 765, 867, 1095, 1241, 1314, 1445, 1530, 1734, 2190, 2482, 2601, 2890, 3285, 3723, 4335, 5202, 6205, 6570, 7446, 8670, 11169, 12410, 13005, 18615, 21097, 22338, 26010, 37230, 42194, 55845, 63291, 105485, 111690, 126582, 189873, 210970, 316455, 379746, 632910, 949365, 1898730]

約数ペア:

[(1, 1898730), (2, 949365), (3, 632910), (5, 379746), (6, 316455), (9, 210970), (10, 189873), (15, 126582), (17, 111690), (18, 105485), (30, 63291), (34, 55845), (45, 42194), (51, 37230), (73, 26010), (85, 22338), (90, 21097), (102, 18615), (146, 13005), (153, 12410), (170, 11169), (219, 8670), (255, 7446), (289, 6570), (306, 6205), (365, 5202), (438, 4335), (510, 3723), (578, 3285), (657, 2890), (730, 2601), (765, 2482), (867, 2190), (1095, 1734), (1241, 1530), (1314, 1445)]