257856480

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8527}}^1$

素因数の和:8558

約数の個数: 192

約数和(自身を含む): 1031546880

約数和(自身を除く): 773690400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8527, 10080, 15120, 17054, 25581, 30240, 34108, 42635, 51162, 59689, 68216, 76743, 85270, 102324, 119378, 127905, 136432, 153486, 170540, 179067, 204648, 230229, 238756, 255810, 272864, 298445, 306972, 341080, 358134, 383715, 409296, 460458, 477512, 511620, 537201, 596890, 613944, 682160, 716268, 767430, 818592, 895335, 920916, 955024, 1023240, 1074402, 1151145, 1193780, 1227888, 1364320, 1432536, 1534860, 1611603, 1790670, 1841832, 1910048, 2046480, 2148804, 2302290, 2387560, 2455776, 2686005, 2865072, 3069720, 3223206, 3581340, 3683664, 4092960, 4297608, 4604580, 4775120, 5372010, 5730144, 6139440, 6446412, 7162680, 7367328, 8058015, 8595216, 9209160, 9550240, 10744020, 12278880, 12892824, 14325360, 16116030, 17190432, 18418320, 21488040, 25785648, 28650720, 32232060, 36836640, 42976080, 51571296, 64464120, 85952160, 128928240, 257856480]

約数ペア:

[(1, 257856480), (2, 128928240), (3, 85952160), (4, 64464120), (5, 51571296), (6, 42976080), (7, 36836640), (8, 32232060), (9, 28650720), (10, 25785648), (12, 21488040), (14, 18418320), (15, 17190432), (16, 16116030), (18, 14325360), (20, 12892824), (21, 12278880), (24, 10744020), (27, 9550240), (28, 9209160), (30, 8595216), (32, 8058015), (35, 7367328), (36, 7162680), (40, 6446412), (42, 6139440), (45, 5730144), (48, 5372010), (54, 4775120), (56, 4604580), (60, 4297608), (63, 4092960), (70, 3683664), (72, 3581340), (80, 3223206), (84, 3069720), (90, 2865072), (96, 2686005), (105, 2455776), (108, 2387560), (112, 2302290), (120, 2148804), (126, 2046480), (135, 1910048), (140, 1841832), (144, 1790670), (160, 1611603), (168, 1534860), (180, 1432536), (189, 1364320), (210, 1227888), (216, 1193780), (224, 1151145), (240, 1074402), (252, 1023240), (270, 955024), (280, 920916), (288, 895335), (315, 818592), (336, 767430), (360, 716268), (378, 682160), (420, 613944), (432, 596890), (480, 537201), (504, 511620), (540, 477512), (560, 460458), (630, 409296), (672, 383715), (720, 358134), (756, 341080), (840, 306972), (864, 298445), (945, 272864), (1008, 255810), (1080, 238756), (1120, 230229), (1260, 204648), (1440, 179067), (1512, 170540), (1680, 153486), (1890, 136432), (2016, 127905), (2160, 119378), (2520, 102324), (3024, 85270), (3360, 76743), (3780, 68216), (4320, 59689), (5040, 51162), (6048, 42635), (7560, 34108), (8527, 30240), (10080, 25581), (15120, 17054)]