68394420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6229}}^1$

素因数の和:6305

約数の個数: 72

約数和(自身を含む): 210897960

約数和(自身を除く): 142503540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 6229, 10980, 12458, 18687, 24916, 31145, 37374, 56061, 62290, 74748, 93435, 112122, 124580, 186870, 224244, 280305, 373740, 379969, 560610, 759938, 1121220, 1139907, 1519876, 1899845, 2279814, 3419721, 3799690, 4559628, 5699535, 6839442, 7599380, 11399070, 13678884, 17098605, 22798140, 34197210, 68394420]

約数ペア:

[(1, 68394420), (2, 34197210), (3, 22798140), (4, 17098605), (5, 13678884), (6, 11399070), (9, 7599380), (10, 6839442), (12, 5699535), (15, 4559628), (18, 3799690), (20, 3419721), (30, 2279814), (36, 1899845), (45, 1519876), (60, 1139907), (61, 1121220), (90, 759938), (122, 560610), (180, 379969), (183, 373740), (244, 280305), (305, 224244), (366, 186870), (549, 124580), (610, 112122), (732, 93435), (915, 74748), (1098, 62290), (1220, 56061), (1830, 37374), (2196, 31145), (2745, 24916), (3660, 18687), (5490, 12458), (6229, 10980)]