251275920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:982

約数の個数: 240

約数和(自身を含む): 946546560

約数和(自身を除く): 695270640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 98, 105, 112, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 240, 245, 276, 280, 294, 322, 336, 345, 368, 392, 420, 460, 483, 490, 552, 560, 588, 644, 690, 735, 784, 805, 840, 920, 929, 966, 980, 1104, 1127, 1176, 1288, 1380, 1470, 1610, 1680, 1840, 1858, 1932, 1960, 2254, 2352, 2415, 2576, 2760, 2787, 2940, 3220, 3381, 3716, 3864, 3920, 4508, 4645, 4830, 5520, 5574, 5635, 5880, 6440, 6503, 6762, 7432, 7728, 9016, 9290, 9660, 11148, 11270, 11760, 12880, 13006, 13524, 13935, 14864, 16905, 18032, 18580, 19320, 19509, 21367, 22296, 22540, 26012, 27048, 27870, 32515, 33810, 37160, 38640, 39018, 42734, 44592, 45080, 45521, 52024, 54096, 55740, 64101, 65030, 67620, 74320, 78036, 85468, 90160, 91042, 97545, 104048, 106835, 111480, 128202, 130060, 135240, 136563, 149569, 156072, 170936, 182084, 195090, 213670, 222960, 227605, 256404, 260120, 270480, 273126, 299138, 312144, 320505, 341872, 364168, 390180, 427340, 448707, 455210, 512808, 520240, 546252, 598276, 641010, 682815, 728336, 747845, 780360, 854680, 897414, 910420, 1025616, 1046983, 1092504, 1196552, 1282020, 1365630, 1495690, 1560720, 1709360, 1794828, 1820840, 2093966, 2185008, 2243535, 2393104, 2564040, 2731260, 2991380, 3140949, 3589656, 3641680, 4187932, 4487070, 5128080, 5234915, 5462520, 5982760, 6281898, 7179312, 8375864, 8974140, 10469830, 10925040, 11965520, 12563796, 15704745, 16751728, 17948280, 20939660, 25127592, 31409490, 35896560, 41879320, 50255184, 62818980, 83758640, 125637960, 251275920]

約数ペア:

[(1, 251275920), (2, 125637960), (3, 83758640), (4, 62818980), (5, 50255184), (6, 41879320), (7, 35896560), (8, 31409490), (10, 25127592), (12, 20939660), (14, 17948280), (15, 16751728), (16, 15704745), (20, 12563796), (21, 11965520), (23, 10925040), (24, 10469830), (28, 8974140), (30, 8375864), (35, 7179312), (40, 6281898), (42, 5982760), (46, 5462520), (48, 5234915), (49, 5128080), (56, 4487070), (60, 4187932), (69, 3641680), (70, 3589656), (80, 3140949), (84, 2991380), (92, 2731260), (98, 2564040), (105, 2393104), (112, 2243535), (115, 2185008), (120, 2093966), (138, 1820840), (140, 1794828), (147, 1709360), (161, 1560720), (168, 1495690), (184, 1365630), (196, 1282020), (210, 1196552), (230, 1092504), (240, 1046983), (245, 1025616), (276, 910420), (280, 897414), (294, 854680), (322, 780360), (336, 747845), (345, 728336), (368, 682815), (392, 641010), (420, 598276), (460, 546252), (483, 520240), (490, 512808), (552, 455210), (560, 448707), (588, 427340), (644, 390180), (690, 364168), (735, 341872), (784, 320505), (805, 312144), (840, 299138), (920, 273126), (929, 270480), (966, 260120), (980, 256404), (1104, 227605), (1127, 222960), (1176, 213670), (1288, 195090), (1380, 182084), (1470, 170936), (1610, 156072), (1680, 149569), (1840, 136563), (1858, 135240), (1932, 130060), (1960, 128202), (2254, 111480), (2352, 106835), (2415, 104048), (2576, 97545), (2760, 91042), (2787, 90160), (2940, 85468), (3220, 78036), (3381, 74320), (3716, 67620), (3864, 65030), (3920, 64101), (4508, 55740), (4645, 54096), (4830, 52024), (5520, 45521), (5574, 45080), (5635, 44592), (5880, 42734), (6440, 39018), (6503, 38640), (6762, 37160), (7432, 33810), (7728, 32515), (9016, 27870), (9290, 27048), (9660, 26012), (11148, 22540), (11270, 22296), (11760, 21367), (12880, 19509), (13006, 19320), (13524, 18580), (13935, 18032), (14864, 16905)]