15538040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 40296960

約数和(自身を除く): 24758920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 263, 280, 422, 526, 844, 1052, 1055, 1315, 1477, 1688, 1841, 2104, 2110, 2630, 2954, 3682, 4220, 5260, 5908, 7364, 7385, 8440, 9205, 10520, 11816, 14728, 14770, 18410, 29540, 36820, 55493, 59080, 73640, 110986, 221972, 277465, 388451, 443944, 554930, 776902, 1109860, 1553804, 1942255, 2219720, 3107608, 3884510, 7769020, 15538040]

約数ペア:

[(1, 15538040), (2, 7769020), (4, 3884510), (5, 3107608), (7, 2219720), (8, 1942255), (10, 1553804), (14, 1109860), (20, 776902), (28, 554930), (35, 443944), (40, 388451), (56, 277465), (70, 221972), (140, 110986), (211, 73640), (263, 59080), (280, 55493), (422, 36820), (526, 29540), (844, 18410), (1052, 14770), (1055, 14728), (1315, 11816), (1477, 10520), (1688, 9205), (1841, 8440), (2104, 7385), (2110, 7364), (2630, 5908), (2954, 5260), (3682, 4220)]