2667156640

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{263}}^2$

素因数の和:782

約数の個数: 72

約数和(自身を含む): 6351453108

約数和(自身を除く): 3684296468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 263, 482, 526, 964, 1052, 1205, 1315, 1928, 2104, 2410, 2630, 3856, 4208, 4820, 5260, 7712, 8416, 9640, 10520, 19280, 21040, 38560, 42080, 63383, 69169, 126766, 138338, 253532, 276676, 316915, 345845, 507064, 553352, 633830, 691690, 1014128, 1106704, 1267660, 1383380, 2028256, 2213408, 2535320, 2766760, 5070640, 5533520, 10141280, 11067040, 16669729, 33339458, 66678916, 83348645, 133357832, 166697290, 266715664, 333394580, 533431328, 666789160, 1333578320, 2667156640]

約数ペア:

[(1, 2667156640), (2, 1333578320), (4, 666789160), (5, 533431328), (8, 333394580), (10, 266715664), (16, 166697290), (20, 133357832), (32, 83348645), (40, 66678916), (80, 33339458), (160, 16669729), (241, 11067040), (263, 10141280), (482, 5533520), (526, 5070640), (964, 2766760), (1052, 2535320), (1205, 2213408), (1315, 2028256), (1928, 1383380), (2104, 1267660), (2410, 1106704), (2630, 1014128), (3856, 691690), (4208, 633830), (4820, 553352), (5260, 507064), (7712, 345845), (8416, 316915), (9640, 276676), (10520, 253532), (19280, 138338), (21040, 126766), (38560, 69169), (42080, 63383)]