1520303785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3413}}^1$

素因数の和:3538

約数の個数: 64

約数和(自身を含む): 2477744640

約数和(自身を除く): 957440855

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 89, 91, 143, 385, 445, 455, 623, 715, 979, 1001, 1157, 3115, 3413, 4895, 5005, 5785, 6853, 8099, 12727, 17065, 23891, 34265, 37543, 40495, 44369, 63635, 89089, 119455, 187715, 221845, 262801, 303757, 310583, 445445, 488059, 1314005, 1518785, 1552915, 2126299, 2440295, 3341327, 3416413, 3948841, 10631495, 16706635, 17082065, 19744205, 23389289, 27641887, 43437251, 116946445, 138209435, 217186255, 304060757, 1520303785]

約数ペア:

[(1, 1520303785), (5, 304060757), (7, 217186255), (11, 138209435), (13, 116946445), (35, 43437251), (55, 27641887), (65, 23389289), (77, 19744205), (89, 17082065), (91, 16706635), (143, 10631495), (385, 3948841), (445, 3416413), (455, 3341327), (623, 2440295), (715, 2126299), (979, 1552915), (1001, 1518785), (1157, 1314005), (3115, 488059), (3413, 445445), (4895, 310583), (5005, 303757), (5785, 262801), (6853, 221845), (8099, 187715), (12727, 119455), (17065, 89089), (23891, 63635), (34265, 44369), (37543, 40495)]