78980880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29917}}^1$

素因数の和:29944

約数の個数: 80

約数和(自身を含む): 267107904

約数和(自身を除く): 188127024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 29917, 59834, 89751, 119668, 149585, 179502, 239336, 299170, 329087, 359004, 448755, 478672, 598340, 658174, 718008, 897510, 987261, 1196680, 1316348, 1436016, 1645435, 1795020, 1974522, 2393360, 2632696, 3290870, 3590040, 3949044, 4936305, 5265392, 6581740, 7180080, 7898088, 9872610, 13163480, 15796176, 19745220, 26326960, 39490440, 78980880]

約数ペア:

[(1, 78980880), (2, 39490440), (3, 26326960), (4, 19745220), (5, 15796176), (6, 13163480), (8, 9872610), (10, 7898088), (11, 7180080), (12, 6581740), (15, 5265392), (16, 4936305), (20, 3949044), (22, 3590040), (24, 3290870), (30, 2632696), (33, 2393360), (40, 1974522), (44, 1795020), (48, 1645435), (55, 1436016), (60, 1316348), (66, 1196680), (80, 987261), (88, 897510), (110, 718008), (120, 658174), (132, 598340), (165, 478672), (176, 448755), (220, 359004), (240, 329087), (264, 299170), (330, 239336), (440, 179502), (528, 149585), (660, 119668), (880, 89751), (1320, 59834), (2640, 29917)]