15313520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2857}}^1$

素因数の和:2937

約数の個数: 40

約数和(自身を含む): 36147984

約数和(自身を除く): 20834464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 2857, 5360, 5714, 11428, 14285, 22856, 28570, 45712, 57140, 114280, 191419, 228560, 382838, 765676, 957095, 1531352, 1914190, 3062704, 3828380, 7656760, 15313520]

約数ペア:

[(1, 15313520), (2, 7656760), (4, 3828380), (5, 3062704), (8, 1914190), (10, 1531352), (16, 957095), (20, 765676), (40, 382838), (67, 228560), (80, 191419), (134, 114280), (268, 57140), (335, 45712), (536, 28570), (670, 22856), (1072, 14285), (1340, 11428), (2680, 5714), (2857, 5360)]