15116740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 33938352

約数和(自身を除く): 18821612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 257, 340, 346, 514, 692, 865, 1028, 1285, 1730, 2570, 2941, 3460, 4369, 5140, 5882, 8738, 11764, 14705, 17476, 21845, 29410, 43690, 44461, 58820, 87380, 88922, 177844, 222305, 444610, 755837, 889220, 1511674, 3023348, 3779185, 7558370, 15116740]

約数ペア:

[(1, 15116740), (2, 7558370), (4, 3779185), (5, 3023348), (10, 1511674), (17, 889220), (20, 755837), (34, 444610), (68, 222305), (85, 177844), (170, 88922), (173, 87380), (257, 58820), (340, 44461), (346, 43690), (514, 29410), (692, 21845), (865, 17476), (1028, 14705), (1285, 11764), (1730, 8738), (2570, 5882), (2941, 5140), (3460, 4369)]