240672640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28927}}^1$

素因数の和:28959

約数の個数: 64

約数和(自身を含む): 619637760

約数和(自身を除く): 378965120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 28927, 57854, 115708, 144635, 231416, 289270, 376051, 462832, 578540, 752102, 925664, 1157080, 1504204, 1851328, 1880255, 2314160, 3008408, 3702656, 3760510, 4628320, 6016816, 7521020, 9256640, 12033632, 15042040, 18513280, 24067264, 30084080, 48134528, 60168160, 120336320, 240672640]

約数ペア:

[(1, 240672640), (2, 120336320), (4, 60168160), (5, 48134528), (8, 30084080), (10, 24067264), (13, 18513280), (16, 15042040), (20, 12033632), (26, 9256640), (32, 7521020), (40, 6016816), (52, 4628320), (64, 3760510), (65, 3702656), (80, 3008408), (104, 2314160), (128, 1880255), (130, 1851328), (160, 1504204), (208, 1157080), (260, 925664), (320, 752102), (416, 578540), (520, 462832), (640, 376051), (832, 289270), (1040, 231416), (1664, 144635), (2080, 115708), (4160, 57854), (8320, 28927)]