31370680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{859}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 78019200

約数和(自身を除く): 46648520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 830, 859, 913, 1660, 1718, 1826, 3320, 3436, 3652, 4295, 4565, 6872, 7304, 8590, 9130, 9449, 17180, 18260, 18898, 34360, 36520, 37796, 47245, 71297, 75592, 94490, 142594, 188980, 285188, 356485, 377960, 570376, 712970, 784267, 1425940, 1568534, 2851880, 3137068, 3921335, 6274136, 7842670, 15685340, 31370680]

約数ペア:

[(1, 31370680), (2, 15685340), (4, 7842670), (5, 6274136), (8, 3921335), (10, 3137068), (11, 2851880), (20, 1568534), (22, 1425940), (40, 784267), (44, 712970), (55, 570376), (83, 377960), (88, 356485), (110, 285188), (166, 188980), (220, 142594), (332, 94490), (415, 75592), (440, 71297), (664, 47245), (830, 37796), (859, 36520), (913, 34360), (1660, 18898), (1718, 18260), (1826, 17180), (3320, 9449), (3436, 9130), (3652, 8590), (4295, 7304), (4565, 6872)]