80688090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1723}}^1$

素因数の和:1963

約数の個数: 64

約数和(自身を含む): 222437376

約数和(自身を除く): 141749286

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 223, 446, 669, 1115, 1338, 1561, 1723, 2230, 3122, 3345, 3446, 4683, 5169, 6690, 7805, 8615, 9366, 10338, 12061, 15610, 17230, 23415, 24122, 25845, 36183, 46830, 51690, 60305, 72366, 120610, 180915, 361830, 384229, 768458, 1152687, 1921145, 2305374, 2689603, 3842290, 5379206, 5763435, 8068809, 11526870, 13448015, 16137618, 26896030, 40344045, 80688090]

約数ペア:

[(1, 80688090), (2, 40344045), (3, 26896030), (5, 16137618), (6, 13448015), (7, 11526870), (10, 8068809), (14, 5763435), (15, 5379206), (21, 3842290), (30, 2689603), (35, 2305374), (42, 1921145), (70, 1152687), (105, 768458), (210, 384229), (223, 361830), (446, 180915), (669, 120610), (1115, 72366), (1338, 60305), (1561, 51690), (1723, 46830), (2230, 36183), (3122, 25845), (3345, 24122), (3446, 23415), (4683, 17230), (5169, 15610), (6690, 12061), (7805, 10338), (8615, 9366)]