6620680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 16692480

約数和(自身を除く): 10071800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 367, 410, 440, 451, 734, 820, 902, 1468, 1640, 1804, 1835, 2255, 2936, 3608, 3670, 4037, 4510, 7340, 8074, 9020, 14680, 15047, 16148, 18040, 20185, 30094, 32296, 40370, 60188, 75235, 80740, 120376, 150470, 161480, 165517, 300940, 331034, 601880, 662068, 827585, 1324136, 1655170, 3310340, 6620680]

約数ペア:

[(1, 6620680), (2, 3310340), (4, 1655170), (5, 1324136), (8, 827585), (10, 662068), (11, 601880), (20, 331034), (22, 300940), (40, 165517), (41, 161480), (44, 150470), (55, 120376), (82, 80740), (88, 75235), (110, 60188), (164, 40370), (205, 32296), (220, 30094), (328, 20185), (367, 18040), (410, 16148), (440, 15047), (451, 14680), (734, 9020), (820, 8074), (902, 7340), (1468, 4510), (1640, 4037), (1804, 3670), (1835, 3608), (2255, 2936)]