221046660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28559}}^1$

素因数の和:28617

約数の個数: 72

約数和(自身を含む): 686125440

約数和(自身を除く): 465078780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 28559, 57118, 85677, 114236, 142795, 171354, 257031, 285590, 342708, 428385, 514062, 571180, 856770, 1028124, 1228037, 1285155, 1713540, 2456074, 2570310, 3684111, 4912148, 5140620, 6140185, 7368222, 11052333, 12280370, 14736444, 18420555, 22104666, 24560740, 36841110, 44209332, 55261665, 73682220, 110523330, 221046660]

約数ペア:

[(1, 221046660), (2, 110523330), (3, 73682220), (4, 55261665), (5, 44209332), (6, 36841110), (9, 24560740), (10, 22104666), (12, 18420555), (15, 14736444), (18, 12280370), (20, 11052333), (30, 7368222), (36, 6140185), (43, 5140620), (45, 4912148), (60, 3684111), (86, 2570310), (90, 2456074), (129, 1713540), (172, 1285155), (180, 1228037), (215, 1028124), (258, 856770), (387, 571180), (430, 514062), (516, 428385), (645, 342708), (774, 285590), (860, 257031), (1290, 171354), (1548, 142795), (1935, 114236), (2580, 85677), (3870, 57118), (7740, 28559)]