30720496

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2209

約数の個数: 40

約数和(自身を含む): 64241424

約数和(自身を除く): 33520928

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1802, 2131, 3604, 4262, 7208, 8524, 14416, 17048, 34096, 36227, 72454, 112943, 144908, 225886, 289816, 451772, 579632, 903544, 1807088, 1920031, 3840062, 7680124, 15360248, 30720496]

約数ペア:

[(1, 30720496), (2, 15360248), (4, 7680124), (8, 3840062), (16, 1920031), (17, 1807088), (34, 903544), (53, 579632), (68, 451772), (106, 289816), (136, 225886), (212, 144908), (272, 112943), (424, 72454), (848, 36227), (901, 34096), (1802, 17048), (2131, 14416), (3604, 8524), (4262, 7208)]