138168960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71963}}^1$

素因数の和:71985

約数の個数: 64

約数和(自身を含む): 440419680

約数和(自身を除く): 302250720

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, 71963, 143926, 215889, 287852, 359815, 431778, 575704, 719630, 863556, 1079445, 1151408, 1439260, 1727112, 2158890, 2302816, 2878520, 3454224, 4317780, 4605632, 5757040, 6908448, 8635560, 9211264, 11514080, 13816896, 17271120, 23028160, 27633792, 34542240, 46056320, 69084480, 138168960]

約数ペア:

[(1, 138168960), (2, 69084480), (3, 46056320), (4, 34542240), (5, 27633792), (6, 23028160), (8, 17271120), (10, 13816896), (12, 11514080), (15, 9211264), (16, 8635560), (20, 6908448), (24, 5757040), (30, 4605632), (32, 4317780), (40, 3454224), (48, 2878520), (60, 2302816), (64, 2158890), (80, 1727112), (96, 1439260), (120, 1151408), (128, 1079445), (160, 863556), (192, 719630), (240, 575704), (320, 431778), (384, 359815), (480, 287852), (640, 215889), (960, 143926), (1920, 71963)]