128718960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1747}}^1$

素因数の和:2070

約数の個数: 80

約数和(自身を含む): 400557696

約数和(自身を除く): 271838736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 1228, 1535, 1747, 1842, 2456, 3070, 3494, 3684, 4605, 4912, 5241, 6140, 6988, 7368, 8735, 9210, 10482, 12280, 13976, 14736, 17470, 18420, 20964, 24560, 26205, 27952, 34940, 36840, 41928, 52410, 69880, 73680, 83856, 104820, 139760, 209640, 419280, 536329, 1072658, 1608987, 2145316, 2681645, 3217974, 4290632, 5363290, 6435948, 8044935, 8581264, 10726580, 12871896, 16089870, 21453160, 25743792, 32179740, 42906320, 64359480, 128718960]

約数ペア:

[(1, 128718960), (2, 64359480), (3, 42906320), (4, 32179740), (5, 25743792), (6, 21453160), (8, 16089870), (10, 12871896), (12, 10726580), (15, 8581264), (16, 8044935), (20, 6435948), (24, 5363290), (30, 4290632), (40, 3217974), (48, 2681645), (60, 2145316), (80, 1608987), (120, 1072658), (240, 536329), (307, 419280), (614, 209640), (921, 139760), (1228, 104820), (1535, 83856), (1747, 73680), (1842, 69880), (2456, 52410), (3070, 41928), (3494, 36840), (3684, 34940), (4605, 27952), (4912, 26205), (5241, 24560), (6140, 20964), (6988, 18420), (7368, 17470), (8735, 14736), (9210, 13976), (10482, 12280)]