281196720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55793}}^1$

素因数の和:55819

約数の個数: 120

約数和(自身を含む): 1079279136

約数和(自身を除く): 798082416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55793, 111586, 167379, 223172, 278965, 334758, 390551, 446344, 502137, 557930, 669516, 781102, 836895, 892688, 1004274, 1115860, 1171653, 1339032, 1562204, 1673790, 1952755, 2008548, 2231720, 2343306, 2510685, 2678064, 3124408, 3347580, 3514959, 3905510, 4017096, 4463440, 4686612, 5021370, 5858265, 6248816, 6695160, 7029918, 7811020, 8034192, 9373224, 10042740, 11716530, 13390320, 14059836, 15622040, 17574795, 18746448, 20085480, 23433060, 28119672, 31244080, 35149590, 40170960, 46866120, 56239344, 70299180, 93732240, 140598360, 281196720]

約数ペア:

[(1, 281196720), (2, 140598360), (3, 93732240), (4, 70299180), (5, 56239344), (6, 46866120), (7, 40170960), (8, 35149590), (9, 31244080), (10, 28119672), (12, 23433060), (14, 20085480), (15, 18746448), (16, 17574795), (18, 15622040), (20, 14059836), (21, 13390320), (24, 11716530), (28, 10042740), (30, 9373224), (35, 8034192), (36, 7811020), (40, 7029918), (42, 6695160), (45, 6248816), (48, 5858265), (56, 5021370), (60, 4686612), (63, 4463440), (70, 4017096), (72, 3905510), (80, 3514959), (84, 3347580), (90, 3124408), (105, 2678064), (112, 2510685), (120, 2343306), (126, 2231720), (140, 2008548), (144, 1952755), (168, 1673790), (180, 1562204), (210, 1339032), (240, 1171653), (252, 1115860), (280, 1004274), (315, 892688), (336, 836895), (360, 781102), (420, 669516), (504, 557930), (560, 502137), (630, 446344), (720, 390551), (840, 334758), (1008, 278965), (1260, 223172), (1680, 167379), (2520, 111586), (5040, 55793)]