31076080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 83280384

約数和(自身を除く): 52204304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 263, 280, 422, 526, 560, 844, 1052, 1055, 1315, 1477, 1688, 1841, 2104, 2110, 2630, 2954, 3376, 3682, 4208, 4220, 5260, 5908, 7364, 7385, 8440, 9205, 10520, 11816, 14728, 14770, 16880, 18410, 21040, 23632, 29456, 29540, 36820, 55493, 59080, 73640, 110986, 118160, 147280, 221972, 277465, 388451, 443944, 554930, 776902, 887888, 1109860, 1553804, 1942255, 2219720, 3107608, 3884510, 4439440, 6215216, 7769020, 15538040, 31076080]

約数ペア:

[(1, 31076080), (2, 15538040), (4, 7769020), (5, 6215216), (7, 4439440), (8, 3884510), (10, 3107608), (14, 2219720), (16, 1942255), (20, 1553804), (28, 1109860), (35, 887888), (40, 776902), (56, 554930), (70, 443944), (80, 388451), (112, 277465), (140, 221972), (211, 147280), (263, 118160), (280, 110986), (422, 73640), (526, 59080), (560, 55493), (844, 36820), (1052, 29540), (1055, 29456), (1315, 23632), (1477, 21040), (1688, 18410), (1841, 16880), (2104, 14770), (2110, 14728), (2630, 11816), (2954, 10520), (3376, 9205), (3682, 8440), (4208, 7385), (4220, 7364), (5260, 5908)]