15563480

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{641}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 35130240

約数和(自身を除く): 19566760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 641, 1214, 1282, 2428, 2564, 3035, 3205, 4856, 5128, 6070, 6410, 12140, 12820, 24280, 25640, 389087, 778174, 1556348, 1945435, 3112696, 3890870, 7781740, 15563480]

約数ペア:

[(1, 15563480), (2, 7781740), (4, 3890870), (5, 3112696), (8, 1945435), (10, 1556348), (20, 778174), (40, 389087), (607, 25640), (641, 24280), (1214, 12820), (1282, 12140), (2428, 6410), (2564, 6070), (3035, 5128), (3205, 4856)]