128584908

素因数分解:

$2^2\times 3^5\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 339026688

約数和(自身を除く): 210441780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 263, 324, 486, 503, 526, 789, 972, 1006, 1052, 1509, 1578, 2012, 2367, 3018, 3156, 4527, 4734, 6036, 7101, 9054, 9468, 13581, 14202, 18108, 21303, 27162, 28404, 40743, 42606, 54324, 63909, 81486, 85212, 122229, 127818, 132289, 162972, 244458, 255636, 264578, 396867, 488916, 529156, 793734, 1190601, 1587468, 2381202, 3571803, 4762404, 7143606, 10715409, 14287212, 21430818, 32146227, 42861636, 64292454, 128584908]

約数ペア:

[(1, 128584908), (2, 64292454), (3, 42861636), (4, 32146227), (6, 21430818), (9, 14287212), (12, 10715409), (18, 7143606), (27, 4762404), (36, 3571803), (54, 2381202), (81, 1587468), (108, 1190601), (162, 793734), (243, 529156), (263, 488916), (324, 396867), (486, 264578), (503, 255636), (526, 244458), (789, 162972), (972, 132289), (1006, 127818), (1052, 122229), (1509, 85212), (1578, 81486), (2012, 63909), (2367, 54324), (3018, 42606), (3156, 40743), (4527, 28404), (4734, 27162), (6036, 21303), (7101, 18108), (9054, 14202), (9468, 13581)]