1890540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{389}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 5962320

約数和(自身を除く): 4071780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 389, 405, 486, 540, 778, 810, 972, 1167, 1215, 1556, 1620, 1945, 2334, 2430, 3501, 3890, 4668, 4860, 5835, 7002, 7780, 10503, 11670, 14004, 17505, 21006, 23340, 31509, 35010, 42012, 52515, 63018, 70020, 94527, 105030, 126036, 157545, 189054, 210060, 315090, 378108, 472635, 630180, 945270, 1890540]

約数ペア:

[(1, 1890540), (2, 945270), (3, 630180), (4, 472635), (5, 378108), (6, 315090), (9, 210060), (10, 189054), (12, 157545), (15, 126036), (18, 105030), (20, 94527), (27, 70020), (30, 63018), (36, 52515), (45, 42012), (54, 35010), (60, 31509), (81, 23340), (90, 21006), (108, 17505), (135, 14004), (162, 11670), (180, 10503), (243, 7780), (270, 7002), (324, 5835), (389, 4860), (405, 4668), (486, 3890), (540, 3501), (778, 2430), (810, 2334), (972, 1945), (1167, 1620), (1215, 1556)]