31360120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 77552640

約数和(自身を除く): 46192520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 271, 440, 526, 542, 1052, 1084, 1315, 1355, 2104, 2168, 2630, 2710, 2893, 2981, 5260, 5420, 5786, 5962, 10520, 10840, 11572, 11924, 14465, 14905, 23144, 23848, 28930, 29810, 57860, 59620, 71273, 115720, 119240, 142546, 285092, 356365, 570184, 712730, 784003, 1425460, 1568006, 2850920, 3136012, 3920015, 6272024, 7840030, 15680060, 31360120]

約数ペア:

[(1, 31360120), (2, 15680060), (4, 7840030), (5, 6272024), (8, 3920015), (10, 3136012), (11, 2850920), (20, 1568006), (22, 1425460), (40, 784003), (44, 712730), (55, 570184), (88, 356365), (110, 285092), (220, 142546), (263, 119240), (271, 115720), (440, 71273), (526, 59620), (542, 57860), (1052, 29810), (1084, 28930), (1315, 23848), (1355, 23144), (2104, 14905), (2168, 14465), (2630, 11924), (2710, 11572), (2893, 10840), (2981, 10520), (5260, 5962), (5420, 5786)]