305715840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{159227}}^1$

素因数の和:159249

約数の個数: 64

約数和(自身を含む): 974475360

約数和(自身を除く): 668759520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 159227, 318454, 477681, 636908, 796135, 955362, 1273816, 1592270, 1910724, 2388405, 2547632, 3184540, 3821448, 4776810, 5095264, 6369080, 7642896, 9553620, 10190528, 12738160, 15285792, 19107240, 20381056, 25476320, 30571584, 38214480, 50952640, 61143168, 76428960, 101905280, 152857920, 305715840]

約数ペア:

[(1, 305715840), (2, 152857920), (3, 101905280), (4, 76428960), (5, 61143168), (6, 50952640), (8, 38214480), (10, 30571584), (12, 25476320), (15, 20381056), (16, 19107240), (20, 15285792), (24, 12738160), (30, 10190528), (32, 9553620), (40, 7642896), (48, 6369080), (60, 5095264), (64, 4776810), (80, 3821448), (96, 3184540), (120, 2547632), (128, 2388405), (160, 1910724), (192, 1592270), (240, 1273816), (320, 955362), (384, 796135), (480, 636908), (640, 477681), (960, 318454), (1920, 159227)]