487990880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18047}}^1$

素因数の和:18088

約数の個数: 72

約数和(自身を含む): 1248452352

約数和(自身を除く): 760461472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 13520, 18047, 27040, 36094, 72188, 90235, 144376, 180470, 234611, 288752, 360940, 469222, 577504, 721880, 938444, 1173055, 1443760, 1876888, 2346110, 2887520, 3049943, 3753776, 4692220, 6099886, 7507552, 9384440, 12199772, 15249715, 18768880, 24399544, 30499430, 37537760, 48799088, 60998860, 97598176, 121997720, 243995440, 487990880]

約数ペア:

[(1, 487990880), (2, 243995440), (4, 121997720), (5, 97598176), (8, 60998860), (10, 48799088), (13, 37537760), (16, 30499430), (20, 24399544), (26, 18768880), (32, 15249715), (40, 12199772), (52, 9384440), (65, 7507552), (80, 6099886), (104, 4692220), (130, 3753776), (160, 3049943), (169, 2887520), (208, 2346110), (260, 1876888), (338, 1443760), (416, 1173055), (520, 938444), (676, 721880), (845, 577504), (1040, 469222), (1352, 360940), (1690, 288752), (2080, 234611), (2704, 180470), (3380, 144376), (5408, 90235), (6760, 72188), (13520, 36094), (18047, 27040)]