1333578320

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{263}}^2$

素因数の和:780

約数の個数: 60

約数和(自身を含む): 3125318196

約数和(自身を除く): 1791739876

約数列:

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

約数ペア:

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