809912520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{249973}}^1$

素因数の和:249996

約数の個数: 80

約数和(自身を含む): 2722216860

約数和(自身を除く): 1912304340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 249973, 499946, 749919, 999892, 1249865, 1499838, 1999784, 2249757, 2499730, 2999676, 3749595, 4499514, 4999460, 5999352, 6749271, 7499190, 8999028, 9998920, 11248785, 13498542, 14998380, 17998056, 20247813, 22497570, 26997084, 29996760, 33746355, 40495626, 44995140, 53994168, 67492710, 80991252, 89990280, 101239065, 134985420, 161982504, 202478130, 269970840, 404956260, 809912520]

約数ペア:

[(1, 809912520), (2, 404956260), (3, 269970840), (4, 202478130), (5, 161982504), (6, 134985420), (8, 101239065), (9, 89990280), (10, 80991252), (12, 67492710), (15, 53994168), (18, 44995140), (20, 40495626), (24, 33746355), (27, 29996760), (30, 26997084), (36, 22497570), (40, 20247813), (45, 17998056), (54, 14998380), (60, 13498542), (72, 11248785), (81, 9998920), (90, 8999028), (108, 7499190), (120, 6749271), (135, 5999352), (162, 4999460), (180, 4499514), (216, 3749595), (270, 2999676), (324, 2499730), (360, 2249757), (405, 1999784), (540, 1499838), (648, 1249865), (810, 999892), (1080, 749919), (1620, 499946), (3240, 249973)]