217382640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{905761}}^1$

素因数の和:905777

約数の個数: 40

約数和(自身を含む): 673886928

約数和(自身を除く): 456504288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 905761, 1811522, 2717283, 3623044, 4528805, 5434566, 7246088, 9057610, 10869132, 13586415, 14492176, 18115220, 21738264, 27172830, 36230440, 43476528, 54345660, 72460880, 108691320, 217382640]

約数ペア:

[(1, 217382640), (2, 108691320), (3, 72460880), (4, 54345660), (5, 43476528), (6, 36230440), (8, 27172830), (10, 21738264), (12, 18115220), (15, 14492176), (16, 13586415), (20, 10869132), (24, 9057610), (30, 7246088), (40, 5434566), (48, 4528805), (60, 3623044), (80, 2717283), (120, 1811522), (240, 905761)]