213818580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{51647}}^1$

素因数の和:51685

約数の個数: 72

約数和(自身を含む): 676795392

約数和(自身を除く): 462976812

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, 690, 828, 1035, 1380, 2070, 4140, 51647, 103294, 154941, 206588, 258235, 309882, 464823, 516470, 619764, 774705, 929646, 1032940, 1187881, 1549410, 1859292, 2324115, 2375762, 3098820, 3563643, 4648230, 4751524, 5939405, 7127286, 9296460, 10690929, 11878810, 14254572, 17818215, 21381858, 23757620, 35636430, 42763716, 53454645, 71272860, 106909290, 213818580]

約数ペア:

[(1, 213818580), (2, 106909290), (3, 71272860), (4, 53454645), (5, 42763716), (6, 35636430), (9, 23757620), (10, 21381858), (12, 17818215), (15, 14254572), (18, 11878810), (20, 10690929), (23, 9296460), (30, 7127286), (36, 5939405), (45, 4751524), (46, 4648230), (60, 3563643), (69, 3098820), (90, 2375762), (92, 2324115), (115, 1859292), (138, 1549410), (180, 1187881), (207, 1032940), (230, 929646), (276, 774705), (345, 619764), (414, 516470), (460, 464823), (690, 309882), (828, 258235), (1035, 206588), (1380, 154941), (2070, 103294), (4140, 51647)]