15821080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 39826080

約数和(自身を除く): 24005000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 877, 902, 1640, 1754, 1804, 2255, 3508, 3608, 4385, 4510, 7016, 8770, 9020, 9647, 17540, 18040, 19294, 35080, 35957, 38588, 48235, 71914, 77176, 96470, 143828, 179785, 192940, 287656, 359570, 385880, 395527, 719140, 791054, 1438280, 1582108, 1977635, 3164216, 3955270, 7910540, 15821080]

約数ペア:

[(1, 15821080), (2, 7910540), (4, 3955270), (5, 3164216), (8, 1977635), (10, 1582108), (11, 1438280), (20, 791054), (22, 719140), (40, 395527), (41, 385880), (44, 359570), (55, 287656), (82, 192940), (88, 179785), (110, 143828), (164, 96470), (205, 77176), (220, 71914), (328, 48235), (410, 38588), (440, 35957), (451, 35080), (820, 19294), (877, 18040), (902, 17540), (1640, 9647), (1754, 9020), (1804, 8770), (2255, 7016), (3508, 4510), (3608, 4385)]