257294880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19853}}^1$

素因数の和:19880

約数の個数: 120

約数和(自身を含む): 908082252

約数和(自身を除く): 650787372

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19853, 39706, 59559, 79412, 99265, 119118, 158824, 178677, 198530, 238236, 297795, 317648, 357354, 397060, 476472, 536031, 595590, 635296, 714708, 794120, 893385, 952944, 1072062, 1191180, 1429416, 1588240, 1608093, 1786770, 1905888, 2144124, 2382360, 2680155, 2858832, 3176480, 3216186, 3573540, 4288248, 4764720, 5360310, 5717664, 6432372, 7147080, 8040465, 8576496, 9529440, 10720620, 12864744, 14294160, 16080930, 17152992, 21441240, 25729488, 28588320, 32161860, 42882480, 51458976, 64323720, 85764960, 128647440, 257294880]

約数ペア:

[(1, 257294880), (2, 128647440), (3, 85764960), (4, 64323720), (5, 51458976), (6, 42882480), (8, 32161860), (9, 28588320), (10, 25729488), (12, 21441240), (15, 17152992), (16, 16080930), (18, 14294160), (20, 12864744), (24, 10720620), (27, 9529440), (30, 8576496), (32, 8040465), (36, 7147080), (40, 6432372), (45, 5717664), (48, 5360310), (54, 4764720), (60, 4288248), (72, 3573540), (80, 3216186), (81, 3176480), (90, 2858832), (96, 2680155), (108, 2382360), (120, 2144124), (135, 1905888), (144, 1786770), (160, 1608093), (162, 1588240), (180, 1429416), (216, 1191180), (240, 1072062), (270, 952944), (288, 893385), (324, 794120), (360, 714708), (405, 635296), (432, 595590), (480, 536031), (540, 476472), (648, 397060), (720, 357354), (810, 317648), (864, 297795), (1080, 238236), (1296, 198530), (1440, 178677), (1620, 158824), (2160, 119118), (2592, 99265), (3240, 79412), (4320, 59559), (6480, 39706), (12960, 19853)]