2590260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 7572096

約数和(自身を除く): 4981836

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, 1877, 3754, 5631, 7508, 9385, 11262, 18770, 22524, 28155, 37540, 43171, 56310, 86342, 112620, 129513, 172684, 215855, 259026, 431710, 518052, 647565, 863420, 1295130, 2590260]

約数ペア:

[(1, 2590260), (2, 1295130), (3, 863420), (4, 647565), (5, 518052), (6, 431710), (10, 259026), (12, 215855), (15, 172684), (20, 129513), (23, 112620), (30, 86342), (46, 56310), (60, 43171), (69, 37540), (92, 28155), (115, 22524), (138, 18770), (230, 11262), (276, 9385), (345, 7508), (460, 5631), (690, 3754), (1380, 1877)]