1972020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1429}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 5765760

約数和(自身を除く): 3793740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 1429, 2858, 4287, 5716, 7145, 8574, 14290, 17148, 21435, 28580, 32867, 42870, 65734, 85740, 98601, 131468, 164335, 197202, 328670, 394404, 493005, 657340, 986010, 1972020]

約数ペア:

[(1, 1972020), (2, 986010), (3, 657340), (4, 493005), (5, 394404), (6, 328670), (10, 197202), (12, 164335), (15, 131468), (20, 98601), (23, 85740), (30, 65734), (46, 42870), (60, 32867), (69, 28580), (92, 21435), (115, 17148), (138, 14290), (230, 8574), (276, 7145), (345, 5716), (460, 4287), (690, 2858), (1380, 1429)]