155531480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299099}}^1$

素因数の和:299123

約数の個数: 32

約数和(自身を含む): 376866000

約数和(自身を除く): 221334520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 299099, 598198, 1196396, 1495495, 2392792, 2990990, 3888287, 5981980, 7776574, 11963960, 15553148, 19441435, 31106296, 38882870, 77765740, 155531480]

約数ペア:

[(1, 155531480), (2, 77765740), (4, 38882870), (5, 31106296), (8, 19441435), (10, 15553148), (13, 11963960), (20, 7776574), (26, 5981980), (40, 3888287), (52, 2990990), (65, 2392792), (104, 1495495), (130, 1196396), (260, 598198), (520, 299099)]