256202520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 256

約数和(自身を含む): 933120000

約数和(自身を除く): 676917480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 89, 92, 105, 115, 120, 138, 140, 149, 161, 168, 178, 184, 210, 230, 267, 276, 280, 298, 322, 345, 356, 420, 445, 447, 460, 483, 534, 552, 596, 623, 644, 690, 712, 745, 805, 840, 890, 894, 920, 966, 1043, 1068, 1192, 1246, 1288, 1335, 1380, 1490, 1610, 1780, 1788, 1869, 1932, 2047, 2086, 2136, 2235, 2415, 2492, 2670, 2760, 2980, 3115, 3129, 3220, 3427, 3560, 3576, 3738, 3864, 4094, 4172, 4470, 4830, 4984, 5215, 5340, 5960, 6141, 6230, 6258, 6440, 6854, 7476, 8188, 8344, 8940, 9345, 9660, 10235, 10281, 10430, 10680, 12282, 12460, 12516, 13261, 13708, 14329, 14952, 15645, 16376, 17135, 17880, 18690, 19320, 20470, 20562, 20860, 23989, 24564, 24920, 25032, 26522, 27416, 28658, 30705, 31290, 34270, 37380, 39783, 40940, 41124, 41720, 42987, 47978, 49128, 51405, 53044, 57316, 61410, 62580, 66305, 68540, 71645, 71967, 74760, 79566, 81880, 82248, 85974, 92827, 95956, 102810, 106088, 114632, 119945, 122820, 125160, 132610, 137080, 143290, 143934, 159132, 171948, 185654, 191912, 198915, 205620, 214935, 239890, 245640, 265220, 278481, 286580, 287868, 305003, 318264, 343896, 359835, 371308, 397830, 411240, 429870, 464135, 479780, 530440, 556962, 573160, 575736, 610006, 719670, 742616, 795660, 859740, 915009, 928270, 959560, 1113924, 1220012, 1392405, 1439340, 1525015, 1591320, 1719480, 1830018, 1856540, 2135021, 2227848, 2440024, 2784810, 2878680, 3050030, 3660036, 3713080, 4270042, 4575045, 5569620, 6100060, 6405063, 7320072, 8540084, 9150090, 10675105, 11139240, 12200120, 12810126, 17080168, 18300180, 21350210, 25620252, 32025315, 36600360, 42700420, 51240504, 64050630, 85400840, 128101260, 256202520]

約数ペア:

[(1, 256202520), (2, 128101260), (3, 85400840), (4, 64050630), (5, 51240504), (6, 42700420), (7, 36600360), (8, 32025315), (10, 25620252), (12, 21350210), (14, 18300180), (15, 17080168), (20, 12810126), (21, 12200120), (23, 11139240), (24, 10675105), (28, 9150090), (30, 8540084), (35, 7320072), (40, 6405063), (42, 6100060), (46, 5569620), (56, 4575045), (60, 4270042), (69, 3713080), (70, 3660036), (84, 3050030), (89, 2878680), (92, 2784810), (105, 2440024), (115, 2227848), (120, 2135021), (138, 1856540), (140, 1830018), (149, 1719480), (161, 1591320), (168, 1525015), (178, 1439340), (184, 1392405), (210, 1220012), (230, 1113924), (267, 959560), (276, 928270), (280, 915009), (298, 859740), (322, 795660), (345, 742616), (356, 719670), (420, 610006), (445, 575736), (447, 573160), (460, 556962), (483, 530440), (534, 479780), (552, 464135), (596, 429870), (623, 411240), (644, 397830), (690, 371308), (712, 359835), (745, 343896), (805, 318264), (840, 305003), (890, 287868), (894, 286580), (920, 278481), (966, 265220), (1043, 245640), (1068, 239890), (1192, 214935), (1246, 205620), (1288, 198915), (1335, 191912), (1380, 185654), (1490, 171948), (1610, 159132), (1780, 143934), (1788, 143290), (1869, 137080), (1932, 132610), (2047, 125160), (2086, 122820), (2136, 119945), (2235, 114632), (2415, 106088), (2492, 102810), (2670, 95956), (2760, 92827), (2980, 85974), (3115, 82248), (3129, 81880), (3220, 79566), (3427, 74760), (3560, 71967), (3576, 71645), (3738, 68540), (3864, 66305), (4094, 62580), (4172, 61410), (4470, 57316), (4830, 53044), (4984, 51405), (5215, 49128), (5340, 47978), (5960, 42987), (6141, 41720), (6230, 41124), (6258, 40940), (6440, 39783), (6854, 37380), (7476, 34270), (8188, 31290), (8344, 30705), (8940, 28658), (9345, 27416), (9660, 26522), (10235, 25032), (10281, 24920), (10430, 24564), (10680, 23989), (12282, 20860), (12460, 20562), (12516, 20470), (13261, 19320), (13708, 18690), (14329, 17880), (14952, 17135), (15645, 16376)]