257273400

素因数分解:

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

素因数の和:326

約数の個数: 192

約数和(自身を含む): 844945920

約数和(自身を除く): 587672520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 103, 115, 120, 138, 150, 181, 184, 200, 206, 230, 276, 300, 309, 345, 362, 412, 460, 515, 543, 552, 575, 600, 618, 690, 724, 824, 905, 920, 1030, 1086, 1150, 1236, 1380, 1448, 1545, 1725, 1810, 2060, 2172, 2300, 2369, 2472, 2575, 2715, 2760, 3090, 3450, 3620, 4120, 4163, 4344, 4525, 4600, 4738, 5150, 5430, 6180, 6900, 7107, 7240, 7725, 8326, 9050, 9476, 10300, 10860, 11845, 12360, 12489, 13575, 13800, 14214, 15450, 16652, 18100, 18643, 18952, 20600, 20815, 21720, 23690, 24978, 27150, 28428, 30900, 33304, 35535, 36200, 37286, 41630, 47380, 49956, 54300, 55929, 56856, 59225, 61800, 62445, 71070, 74572, 83260, 93215, 94760, 99912, 104075, 108600, 111858, 118450, 124890, 142140, 149144, 166520, 177675, 186430, 208150, 223716, 236900, 249780, 279645, 284280, 312225, 355350, 372860, 416300, 428789, 447432, 466075, 473800, 499560, 559290, 624450, 710700, 745720, 832600, 857578, 932150, 1118580, 1248900, 1286367, 1398225, 1421400, 1715156, 1864300, 2143945, 2237160, 2497800, 2572734, 2796450, 3430312, 3728600, 4287890, 5145468, 5592900, 6431835, 8575780, 10290936, 10719725, 11185800, 12863670, 17151560, 21439450, 25727340, 32159175, 42878900, 51454680, 64318350, 85757800, 128636700, 257273400]

約数ペア:

[(1, 257273400), (2, 128636700), (3, 85757800), (4, 64318350), (5, 51454680), (6, 42878900), (8, 32159175), (10, 25727340), (12, 21439450), (15, 17151560), (20, 12863670), (23, 11185800), (24, 10719725), (25, 10290936), (30, 8575780), (40, 6431835), (46, 5592900), (50, 5145468), (60, 4287890), (69, 3728600), (75, 3430312), (92, 2796450), (100, 2572734), (103, 2497800), (115, 2237160), (120, 2143945), (138, 1864300), (150, 1715156), (181, 1421400), (184, 1398225), (200, 1286367), (206, 1248900), (230, 1118580), (276, 932150), (300, 857578), (309, 832600), (345, 745720), (362, 710700), (412, 624450), (460, 559290), (515, 499560), (543, 473800), (552, 466075), (575, 447432), (600, 428789), (618, 416300), (690, 372860), (724, 355350), (824, 312225), (905, 284280), (920, 279645), (1030, 249780), (1086, 236900), (1150, 223716), (1236, 208150), (1380, 186430), (1448, 177675), (1545, 166520), (1725, 149144), (1810, 142140), (2060, 124890), (2172, 118450), (2300, 111858), (2369, 108600), (2472, 104075), (2575, 99912), (2715, 94760), (2760, 93215), (3090, 83260), (3450, 74572), (3620, 71070), (4120, 62445), (4163, 61800), (4344, 59225), (4525, 56856), (4600, 55929), (4738, 54300), (5150, 49956), (5430, 47380), (6180, 41630), (6900, 37286), (7107, 36200), (7240, 35535), (7725, 33304), (8326, 30900), (9050, 28428), (9476, 27150), (10300, 24978), (10860, 23690), (11845, 21720), (12360, 20815), (12489, 20600), (13575, 18952), (13800, 18643), (14214, 18100), (15450, 16652)]