257990880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{1567}}^1$

素因数の和:1606

約数の個数: 192

約数和(自身を含む): 948326400

約数和(自身を除く): 690335520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1120, 1176, 1372, 1470, 1567, 1568, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3134, 3360, 3430, 3920, 4116, 4701, 4704, 5145, 5488, 5880, 6268, 6860, 7835, 7840, 8232, 9402, 10290, 10969, 10976, 11760, 12536, 13720, 15670, 16464, 18804, 20580, 21938, 23505, 23520, 25072, 27440, 31340, 32907, 32928, 37608, 41160, 43876, 47010, 50144, 54845, 54880, 62680, 65814, 75216, 76783, 82320, 87752, 94020, 109690, 125360, 131628, 150432, 153566, 164535, 164640, 175504, 188040, 219380, 230349, 250720, 263256, 307132, 329070, 351008, 376080, 383915, 438760, 460698, 526512, 537481, 614264, 658140, 752160, 767830, 877520, 921396, 1053024, 1074962, 1151745, 1228528, 1316280, 1535660, 1612443, 1755040, 1842792, 2149924, 2303490, 2457056, 2632560, 2687405, 3071320, 3224886, 3685584, 4299848, 4606980, 5265120, 5374810, 6142640, 6449772, 7371168, 8062215, 8599696, 9213960, 10749620, 12285280, 12899544, 16124430, 17199392, 18427920, 21499240, 25799088, 32248860, 36855840, 42998480, 51598176, 64497720, 85996960, 128995440, 257990880]

約数ペア:

[(1, 257990880), (2, 128995440), (3, 85996960), (4, 64497720), (5, 51598176), (6, 42998480), (7, 36855840), (8, 32248860), (10, 25799088), (12, 21499240), (14, 18427920), (15, 17199392), (16, 16124430), (20, 12899544), (21, 12285280), (24, 10749620), (28, 9213960), (30, 8599696), (32, 8062215), (35, 7371168), (40, 6449772), (42, 6142640), (48, 5374810), (49, 5265120), (56, 4606980), (60, 4299848), (70, 3685584), (80, 3224886), (84, 3071320), (96, 2687405), (98, 2632560), (105, 2457056), (112, 2303490), (120, 2149924), (140, 1842792), (147, 1755040), (160, 1612443), (168, 1535660), (196, 1316280), (210, 1228528), (224, 1151745), (240, 1074962), (245, 1053024), (280, 921396), (294, 877520), (336, 767830), (343, 752160), (392, 658140), (420, 614264), (480, 537481), (490, 526512), (560, 460698), (588, 438760), (672, 383915), (686, 376080), (735, 351008), (784, 329070), (840, 307132), (980, 263256), (1029, 250720), (1120, 230349), (1176, 219380), (1372, 188040), (1470, 175504), (1567, 164640), (1568, 164535), (1680, 153566), (1715, 150432), (1960, 131628), (2058, 125360), (2352, 109690), (2744, 94020), (2940, 87752), (3134, 82320), (3360, 76783), (3430, 75216), (3920, 65814), (4116, 62680), (4701, 54880), (4704, 54845), (5145, 50144), (5488, 47010), (5880, 43876), (6268, 41160), (6860, 37608), (7835, 32928), (7840, 32907), (8232, 31340), (9402, 27440), (10290, 25072), (10969, 23520), (10976, 23505), (11760, 21938), (12536, 20580), (13720, 18804), (15670, 16464)]