18816240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78401}}^1$

素因数の和:78417

約数の個数: 40

約数和(自身を含む): 58331088

約数和(自身を除く): 39514848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78401, 156802, 235203, 313604, 392005, 470406, 627208, 784010, 940812, 1176015, 1254416, 1568020, 1881624, 2352030, 3136040, 3763248, 4704060, 6272080, 9408120, 18816240]

約数ペア:

[(1, 18816240), (2, 9408120), (3, 6272080), (4, 4704060), (5, 3763248), (6, 3136040), (8, 2352030), (10, 1881624), (12, 1568020), (15, 1254416), (16, 1176015), (20, 940812), (24, 784010), (30, 627208), (40, 470406), (48, 392005), (60, 313604), (80, 235203), (120, 156802), (240, 78401)]