51991920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{72211}}^1$

素因数の和:72230

約数の個数: 60

約数和(自身を含む): 174608616

約数和(自身を除く): 122616696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 72211, 144422, 216633, 288844, 361055, 433266, 577688, 649899, 722110, 866532, 1083165, 1155376, 1299798, 1444220, 1733064, 2166330, 2599596, 2888440, 3249495, 3466128, 4332660, 5199192, 5776880, 6498990, 8665320, 10398384, 12997980, 17330640, 25995960, 51991920]

約数ペア:

[(1, 51991920), (2, 25995960), (3, 17330640), (4, 12997980), (5, 10398384), (6, 8665320), (8, 6498990), (9, 5776880), (10, 5199192), (12, 4332660), (15, 3466128), (16, 3249495), (18, 2888440), (20, 2599596), (24, 2166330), (30, 1733064), (36, 1444220), (40, 1299798), (45, 1155376), (48, 1083165), (60, 866532), (72, 722110), (80, 649899), (90, 577688), (120, 433266), (144, 361055), (180, 288844), (240, 216633), (360, 144422), (720, 72211)]