2678580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 8491392

約数和(自身を除く): 5812812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 647, 690, 828, 1035, 1294, 1380, 1941, 2070, 2588, 3235, 3882, 4140, 5823, 6470, 7764, 9705, 11646, 12940, 14881, 19410, 23292, 29115, 29762, 38820, 44643, 58230, 59524, 74405, 89286, 116460, 133929, 148810, 178572, 223215, 267858, 297620, 446430, 535716, 669645, 892860, 1339290, 2678580]

約数ペア:

[(1, 2678580), (2, 1339290), (3, 892860), (4, 669645), (5, 535716), (6, 446430), (9, 297620), (10, 267858), (12, 223215), (15, 178572), (18, 148810), (20, 133929), (23, 116460), (30, 89286), (36, 74405), (45, 59524), (46, 58230), (60, 44643), (69, 38820), (90, 29762), (92, 29115), (115, 23292), (138, 19410), (180, 14881), (207, 12940), (230, 11646), (276, 9705), (345, 7764), (414, 6470), (460, 5823), (647, 4140), (690, 3882), (828, 3235), (1035, 2588), (1294, 2070), (1380, 1941)]