155511120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647963}}^1$

素因数の和:647979

約数の個数: 40

約数和(自身を含む): 482085216

約数和(自身を除く): 326574096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647963, 1295926, 1943889, 2591852, 3239815, 3887778, 5183704, 6479630, 7775556, 9719445, 10367408, 12959260, 15551112, 19438890, 25918520, 31102224, 38877780, 51837040, 77755560, 155511120]

約数ペア:

[(1, 155511120), (2, 77755560), (3, 51837040), (4, 38877780), (5, 31102224), (6, 25918520), (8, 19438890), (10, 15551112), (12, 12959260), (15, 10367408), (16, 9719445), (20, 7775556), (24, 6479630), (30, 5183704), (40, 3887778), (48, 3239815), (60, 2591852), (80, 1943889), (120, 1295926), (240, 647963)]