278004240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{386117}}^1$

素因数の和:386136

約数の個数: 60

約数和(自身を含む): 933633324

約数和(自身を除く): 655629084

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 386117, 772234, 1158351, 1544468, 1930585, 2316702, 3088936, 3475053, 3861170, 4633404, 5791755, 6177872, 6950106, 7722340, 9266808, 11583510, 13900212, 15444680, 17375265, 18533616, 23167020, 27800424, 30889360, 34750530, 46334040, 55600848, 69501060, 92668080, 139002120, 278004240]

約数ペア:

[(1, 278004240), (2, 139002120), (3, 92668080), (4, 69501060), (5, 55600848), (6, 46334040), (8, 34750530), (9, 30889360), (10, 27800424), (12, 23167020), (15, 18533616), (16, 17375265), (18, 15444680), (20, 13900212), (24, 11583510), (30, 9266808), (36, 7722340), (40, 6950106), (45, 6177872), (48, 5791755), (60, 4633404), (72, 3861170), (80, 3475053), (90, 3088936), (120, 2316702), (144, 1930585), (180, 1544468), (240, 1158351), (360, 772234), (720, 386117)]