56309220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28439}}^1$

素因数の和:28465

約数の個数: 72

約数和(自身を含む): 186338880

約数和(自身を除く): 130029660

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, 28439, 56878, 85317, 113756, 142195, 170634, 255951, 284390, 312829, 341268, 426585, 511902, 568780, 625658, 853170, 938487, 1023804, 1251316, 1279755, 1564145, 1706340, 1876974, 2559510, 2815461, 3128290, 3753948, 4692435, 5119020, 5630922, 6256580, 9384870, 11261844, 14077305, 18769740, 28154610, 56309220]

約数ペア:

[(1, 56309220), (2, 28154610), (3, 18769740), (4, 14077305), (5, 11261844), (6, 9384870), (9, 6256580), (10, 5630922), (11, 5119020), (12, 4692435), (15, 3753948), (18, 3128290), (20, 2815461), (22, 2559510), (30, 1876974), (33, 1706340), (36, 1564145), (44, 1279755), (45, 1251316), (55, 1023804), (60, 938487), (66, 853170), (90, 625658), (99, 568780), (110, 511902), (132, 426585), (165, 341268), (180, 312829), (198, 284390), (220, 255951), (330, 170634), (396, 142195), (495, 113756), (660, 85317), (990, 56878), (1980, 28439)]