315090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{389}}^1$

素因数の和:408

約数の個数: 40

約数和(自身を含む): 849420

約数和(自身を除く): 534330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 389, 405, 778, 810, 1167, 1945, 2334, 3501, 3890, 5835, 7002, 10503, 11670, 17505, 21006, 31509, 35010, 52515, 63018, 105030, 157545, 315090]

約数ペア:

[(1, 315090), (2, 157545), (3, 105030), (5, 63018), (6, 52515), (9, 35010), (10, 31509), (15, 21006), (18, 17505), (27, 11670), (30, 10503), (45, 7002), (54, 5835), (81, 3890), (90, 3501), (135, 2334), (162, 1945), (270, 1167), (389, 810), (405, 778)]