2155171440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8979881}}^1$

素因数の和:8979897

約数の個数: 40

約数和(自身を含む): 6681032208

約数和(自身を除く): 4525860768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8979881, 17959762, 26939643, 35919524, 44899405, 53879286, 71839048, 89798810, 107758572, 134698215, 143678096, 179597620, 215517144, 269396430, 359195240, 431034288, 538792860, 718390480, 1077585720, 2155171440]

約数ペア:

[(1, 2155171440), (2, 1077585720), (3, 718390480), (4, 538792860), (5, 431034288), (6, 359195240), (8, 269396430), (10, 215517144), (12, 179597620), (15, 143678096), (16, 134698215), (20, 107758572), (24, 89798810), (30, 71839048), (40, 53879286), (48, 44899405), (60, 35919524), (80, 26939643), (120, 17959762), (240, 8979881)]