205818720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 686859264

約数和(自身を除く): 481040544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 103, 115, 120, 138, 160, 181, 184, 206, 230, 240, 276, 309, 345, 362, 368, 412, 460, 480, 515, 543, 552, 618, 690, 724, 736, 824, 905, 920, 1030, 1086, 1104, 1236, 1380, 1448, 1545, 1648, 1810, 1840, 2060, 2172, 2208, 2369, 2472, 2715, 2760, 2896, 3090, 3296, 3620, 3680, 4120, 4163, 4344, 4738, 4944, 5430, 5520, 5792, 6180, 7107, 7240, 8240, 8326, 8688, 9476, 9888, 10860, 11040, 11845, 12360, 12489, 14214, 14480, 16480, 16652, 17376, 18643, 18952, 20815, 21720, 23690, 24720, 24978, 28428, 28960, 33304, 35535, 37286, 37904, 41630, 43440, 47380, 49440, 49956, 55929, 56856, 62445, 66608, 71070, 74572, 75808, 83260, 86880, 93215, 94760, 99912, 111858, 113712, 124890, 133216, 142140, 149144, 166520, 186430, 189520, 199824, 223716, 227424, 249780, 279645, 284280, 298288, 333040, 372860, 379040, 399648, 428789, 447432, 499560, 559290, 568560, 596576, 666080, 745720, 857578, 894864, 999120, 1118580, 1137120, 1286367, 1491440, 1715156, 1789728, 1998240, 2143945, 2237160, 2572734, 2982880, 3430312, 4287890, 4474320, 5145468, 6431835, 6860624, 8575780, 8948640, 10290936, 12863670, 13721248, 17151560, 20581872, 25727340, 34303120, 41163744, 51454680, 68606240, 102909360, 205818720]

約数ペア:

[(1, 205818720), (2, 102909360), (3, 68606240), (4, 51454680), (5, 41163744), (6, 34303120), (8, 25727340), (10, 20581872), (12, 17151560), (15, 13721248), (16, 12863670), (20, 10290936), (23, 8948640), (24, 8575780), (30, 6860624), (32, 6431835), (40, 5145468), (46, 4474320), (48, 4287890), (60, 3430312), (69, 2982880), (80, 2572734), (92, 2237160), (96, 2143945), (103, 1998240), (115, 1789728), (120, 1715156), (138, 1491440), (160, 1286367), (181, 1137120), (184, 1118580), (206, 999120), (230, 894864), (240, 857578), (276, 745720), (309, 666080), (345, 596576), (362, 568560), (368, 559290), (412, 499560), (460, 447432), (480, 428789), (515, 399648), (543, 379040), (552, 372860), (618, 333040), (690, 298288), (724, 284280), (736, 279645), (824, 249780), (905, 227424), (920, 223716), (1030, 199824), (1086, 189520), (1104, 186430), (1236, 166520), (1380, 149144), (1448, 142140), (1545, 133216), (1648, 124890), (1810, 113712), (1840, 111858), (2060, 99912), (2172, 94760), (2208, 93215), (2369, 86880), (2472, 83260), (2715, 75808), (2760, 74572), (2896, 71070), (3090, 66608), (3296, 62445), (3620, 56856), (3680, 55929), (4120, 49956), (4163, 49440), (4344, 47380), (4738, 43440), (4944, 41630), (5430, 37904), (5520, 37286), (5792, 35535), (6180, 33304), (7107, 28960), (7240, 28428), (8240, 24978), (8326, 24720), (8688, 23690), (9476, 21720), (9888, 20815), (10860, 18952), (11040, 18643), (11845, 17376), (12360, 16652), (12489, 16480), (14214, 14480)]