408693780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206411}}^1$

素因数の和:206437

約数の個数: 72

約数和(自身を含む): 1352411424

約数和(自身を除く): 943717644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 206411, 412822, 619233, 825644, 1032055, 1238466, 1857699, 2064110, 2270521, 2476932, 3096165, 3715398, 4128220, 4541042, 6192330, 6811563, 7430796, 9082084, 9288495, 11352605, 12384660, 13623126, 18576990, 20434689, 22705210, 27246252, 34057815, 37153980, 40869378, 45410420, 68115630, 81738756, 102173445, 136231260, 204346890, 408693780]

約数ペア:

[(1, 408693780), (2, 204346890), (3, 136231260), (4, 102173445), (5, 81738756), (6, 68115630), (9, 45410420), (10, 40869378), (11, 37153980), (12, 34057815), (15, 27246252), (18, 22705210), (20, 20434689), (22, 18576990), (30, 13623126), (33, 12384660), (36, 11352605), (44, 9288495), (45, 9082084), (55, 7430796), (60, 6811563), (66, 6192330), (90, 4541042), (99, 4128220), (110, 3715398), (132, 3096165), (165, 2476932), (180, 2270521), (198, 2064110), (220, 1857699), (330, 1238466), (396, 1032055), (495, 825644), (660, 619233), (990, 412822), (1980, 206411)]