255218580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20549}}^1$

素因数の和:20590

約数の個数: 96

約数和(自身を含む): 828576000

約数和(自身を除く): 573357420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 2070, 2484, 3105, 4140, 6210, 12420, 20549, 41098, 61647, 82196, 102745, 123294, 184941, 205490, 246588, 308235, 369882, 410980, 472627, 554823, 616470, 739764, 924705, 945254, 1109646, 1232940, 1417881, 1849410, 1890508, 2219292, 2363135, 2774115, 2835762, 3698820, 4253643, 4726270, 5548230, 5671524, 7089405, 8507286, 9452540, 11096460, 12760929, 14178810, 17014572, 21268215, 25521858, 28357620, 42536430, 51043716, 63804645, 85072860, 127609290, 255218580]

約数ペア:

[(1, 255218580), (2, 127609290), (3, 85072860), (4, 63804645), (5, 51043716), (6, 42536430), (9, 28357620), (10, 25521858), (12, 21268215), (15, 17014572), (18, 14178810), (20, 12760929), (23, 11096460), (27, 9452540), (30, 8507286), (36, 7089405), (45, 5671524), (46, 5548230), (54, 4726270), (60, 4253643), (69, 3698820), (90, 2835762), (92, 2774115), (108, 2363135), (115, 2219292), (135, 1890508), (138, 1849410), (180, 1417881), (207, 1232940), (230, 1109646), (270, 945254), (276, 924705), (345, 739764), (414, 616470), (460, 554823), (540, 472627), (621, 410980), (690, 369882), (828, 308235), (1035, 246588), (1242, 205490), (1380, 184941), (2070, 123294), (2484, 102745), (3105, 82196), (4140, 61647), (6210, 41098), (12420, 20549)]