159687440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2297}}^1$

素因数の和:2400

約数の個数: 80

約数和(自身を含む): 410330880

約数和(自身を除く): 250643440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 2297, 3160, 3476, 4345, 4594, 6320, 6952, 8690, 9188, 11485, 13904, 17380, 18376, 22970, 25267, 34760, 36752, 45940, 50534, 69520, 91880, 101068, 126335, 181463, 183760, 202136, 252670, 362926, 404272, 505340, 725852, 907315, 1010680, 1451704, 1814630, 1996093, 2021360, 2903408, 3629260, 3992186, 7258520, 7984372, 9980465, 14517040, 15968744, 19960930, 31937488, 39921860, 79843720, 159687440]

約数ペア:

[(1, 159687440), (2, 79843720), (4, 39921860), (5, 31937488), (8, 19960930), (10, 15968744), (11, 14517040), (16, 9980465), (20, 7984372), (22, 7258520), (40, 3992186), (44, 3629260), (55, 2903408), (79, 2021360), (80, 1996093), (88, 1814630), (110, 1451704), (158, 1010680), (176, 907315), (220, 725852), (316, 505340), (395, 404272), (440, 362926), (632, 252670), (790, 202136), (869, 183760), (880, 181463), (1264, 126335), (1580, 101068), (1738, 91880), (2297, 69520), (3160, 50534), (3476, 45940), (4345, 36752), (4594, 34760), (6320, 25267), (6952, 22970), (8690, 18376), (9188, 17380), (11485, 13904)]