257437920

素因数分解:

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

素因数の和:2072

約数の個数: 96

約数和(自身を含む): 814036608

約数和(自身を除く): 556598688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 307, 480, 614, 921, 1228, 1535, 1747, 1842, 2456, 3070, 3494, 3684, 4605, 4912, 5241, 6140, 6988, 7368, 8735, 9210, 9824, 10482, 12280, 13976, 14736, 17470, 18420, 20964, 24560, 26205, 27952, 29472, 34940, 36840, 41928, 49120, 52410, 55904, 69880, 73680, 83856, 104820, 139760, 147360, 167712, 209640, 279520, 419280, 536329, 838560, 1072658, 1608987, 2145316, 2681645, 3217974, 4290632, 5363290, 6435948, 8044935, 8581264, 10726580, 12871896, 16089870, 17162528, 21453160, 25743792, 32179740, 42906320, 51487584, 64359480, 85812640, 128718960, 257437920]

約数ペア:

[(1, 257437920), (2, 128718960), (3, 85812640), (4, 64359480), (5, 51487584), (6, 42906320), (8, 32179740), (10, 25743792), (12, 21453160), (15, 17162528), (16, 16089870), (20, 12871896), (24, 10726580), (30, 8581264), (32, 8044935), (40, 6435948), (48, 5363290), (60, 4290632), (80, 3217974), (96, 2681645), (120, 2145316), (160, 1608987), (240, 1072658), (307, 838560), (480, 536329), (614, 419280), (921, 279520), (1228, 209640), (1535, 167712), (1747, 147360), (1842, 139760), (2456, 104820), (3070, 83856), (3494, 73680), (3684, 69880), (4605, 55904), (4912, 52410), (5241, 49120), (6140, 41928), (6988, 36840), (7368, 34940), (8735, 29472), (9210, 27952), (9824, 26205), (10482, 24560), (12280, 20964), (13976, 18420), (14736, 17470)]