207912420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{128341}}^1$

素因数の和:128362

約数の個数: 60

約数和(自身を含む): 652234044

約数和(自身を除く): 444321624

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, 270, 324, 405, 540, 810, 1620, 128341, 256682, 385023, 513364, 641705, 770046, 1155069, 1283410, 1540092, 1925115, 2310138, 2566820, 3465207, 3850230, 4620276, 5775345, 6930414, 7700460, 10395621, 11550690, 13860828, 17326035, 20791242, 23101380, 34652070, 41582484, 51978105, 69304140, 103956210, 207912420]

約数ペア:

[(1, 207912420), (2, 103956210), (3, 69304140), (4, 51978105), (5, 41582484), (6, 34652070), (9, 23101380), (10, 20791242), (12, 17326035), (15, 13860828), (18, 11550690), (20, 10395621), (27, 7700460), (30, 6930414), (36, 5775345), (45, 4620276), (54, 3850230), (60, 3465207), (81, 2566820), (90, 2310138), (108, 1925115), (135, 1540092), (162, 1283410), (180, 1155069), (270, 770046), (324, 641705), (405, 513364), (540, 385023), (810, 256682), (1620, 128341)]