15911120

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3371}}^1$

素因数の和:3443

約数の個数: 40

約数和(自身を含む): 37631520

約数和(自身を除く): 21720400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 3371, 4720, 6742, 13484, 16855, 26968, 33710, 53936, 67420, 134840, 198889, 269680, 397778, 795556, 994445, 1591112, 1988890, 3182224, 3977780, 7955560, 15911120]

約数ペア:

[(1, 15911120), (2, 7955560), (4, 3977780), (5, 3182224), (8, 1988890), (10, 1591112), (16, 994445), (20, 795556), (40, 397778), (59, 269680), (80, 198889), (118, 134840), (236, 67420), (295, 53936), (472, 33710), (590, 26968), (944, 16855), (1180, 13484), (2360, 6742), (3371, 4720)]