68189220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{34439}}^1$

素因数の和:34465

約数の個数: 72

約数和(自身を含む): 225650880

約数和(自身を除く): 157461660

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, 34439, 68878, 103317, 137756, 172195, 206634, 309951, 344390, 378829, 413268, 516585, 619902, 688780, 757658, 1033170, 1136487, 1239804, 1515316, 1549755, 1894145, 2066340, 2272974, 3099510, 3409461, 3788290, 4545948, 5682435, 6199020, 6818922, 7576580, 11364870, 13637844, 17047305, 22729740, 34094610, 68189220]

約数ペア:

[(1, 68189220), (2, 34094610), (3, 22729740), (4, 17047305), (5, 13637844), (6, 11364870), (9, 7576580), (10, 6818922), (11, 6199020), (12, 5682435), (15, 4545948), (18, 3788290), (20, 3409461), (22, 3099510), (30, 2272974), (33, 2066340), (36, 1894145), (44, 1549755), (45, 1515316), (55, 1239804), (60, 1136487), (66, 1033170), (90, 757658), (99, 688780), (110, 619902), (132, 516585), (165, 413268), (180, 378829), (198, 344390), (220, 309951), (330, 206634), (396, 172195), (495, 137756), (660, 103317), (990, 68878), (1980, 34439)]