15930145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 25411968

約数和(自身を除く): 9481823

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 257, 385, 539, 805, 1127, 1265, 1285, 1771, 1799, 2695, 2827, 5635, 5911, 8855, 8995, 12397, 12593, 14135, 19789, 29555, 41377, 61985, 62965, 65021, 98945, 138523, 206885, 289639, 325105, 455147, 692615, 1448195, 2275735, 3186029, 15930145]

約数ペア:

[(1, 15930145), (5, 3186029), (7, 2275735), (11, 1448195), (23, 692615), (35, 455147), (49, 325105), (55, 289639), (77, 206885), (115, 138523), (161, 98945), (245, 65021), (253, 62965), (257, 61985), (385, 41377), (539, 29555), (805, 19789), (1127, 14135), (1265, 12593), (1285, 12397), (1771, 8995), (1799, 8855), (2695, 5911), (2827, 5635)]