219909780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3691}}^1$

素因数の和:4037

約数の個数: 72

約数和(自身を含む): 669256224

約数和(自身を除く): 449346444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3691, 3972, 4965, 5958, 6620, 7382, 9930, 11073, 11916, 14764, 14895, 18455, 19860, 22146, 29790, 33219, 36910, 44292, 55365, 59580, 66438, 73820, 110730, 132876, 166095, 221460, 332190, 664380, 1221721, 2443442, 3665163, 4886884, 6108605, 7330326, 10995489, 12217210, 14660652, 18325815, 21990978, 24434420, 36651630, 43981956, 54977445, 73303260, 109954890, 219909780]

約数ペア:

[(1, 219909780), (2, 109954890), (3, 73303260), (4, 54977445), (5, 43981956), (6, 36651630), (9, 24434420), (10, 21990978), (12, 18325815), (15, 14660652), (18, 12217210), (20, 10995489), (30, 7330326), (36, 6108605), (45, 4886884), (60, 3665163), (90, 2443442), (180, 1221721), (331, 664380), (662, 332190), (993, 221460), (1324, 166095), (1655, 132876), (1986, 110730), (2979, 73820), (3310, 66438), (3691, 59580), (3972, 55365), (4965, 44292), (5958, 36910), (6620, 33219), (7382, 29790), (9930, 22146), (11073, 19860), (11916, 18455), (14764, 14895)]