15705089220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{672883}}^1$

素因数の和:673284

約数の個数: 48

約数和(自身を含む): 44087359680

約数和(自身を除く): 28382270460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1556, 1945, 2334, 3890, 4668, 5835, 7780, 11670, 23340, 672883, 1345766, 2018649, 2691532, 3364415, 4037298, 6728830, 8074596, 10093245, 13457660, 20186490, 40372980, 261751487, 523502974, 785254461, 1047005948, 1308757435, 1570508922, 2617514870, 3141017844, 3926272305, 5235029740, 7852544610, 15705089220]

約数ペア:

[(1, 15705089220), (2, 7852544610), (3, 5235029740), (4, 3926272305), (5, 3141017844), (6, 2617514870), (10, 1570508922), (12, 1308757435), (15, 1047005948), (20, 785254461), (30, 523502974), (60, 261751487), (389, 40372980), (778, 20186490), (1167, 13457660), (1556, 10093245), (1945, 8074596), (2334, 6728830), (3890, 4037298), (4668, 3364415), (5835, 2691532), (7780, 2018649), (11670, 1345766), (23340, 672883)]