15678312220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{688249}}^1$

素因数の和:688342

約数の個数: 48

約数和(自身を含む): 35381556000

約数和(自身を除く): 19703243780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 22780, 688249, 1376498, 2752996, 3441245, 6882490, 11700233, 13764980, 23400466, 46112683, 46800932, 58501165, 92225366, 117002330, 184450732, 230563415, 234004660, 461126830, 783915611, 922253660, 1567831222, 3135662444, 3919578055, 7839156110, 15678312220]

約数ペア:

[(1, 15678312220), (2, 7839156110), (4, 3919578055), (5, 3135662444), (10, 1567831222), (17, 922253660), (20, 783915611), (34, 461126830), (67, 234004660), (68, 230563415), (85, 184450732), (134, 117002330), (170, 92225366), (268, 58501165), (335, 46800932), (340, 46112683), (670, 23400466), (1139, 13764980), (1340, 11700233), (2278, 6882490), (4556, 3441245), (5695, 2752996), (11390, 1376498), (22780, 688249)]