256685520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 480

約数和(自身を含む): 1054432512

約数和(自身を除く): 797746992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 48, 49, 52, 56, 60, 65, 69, 70, 73, 78, 80, 84, 91, 92, 98, 104, 105, 112, 115, 120, 130, 138, 140, 146, 147, 156, 161, 168, 182, 184, 195, 196, 208, 210, 219, 230, 240, 245, 260, 273, 276, 280, 292, 294, 299, 312, 322, 336, 345, 364, 365, 368, 390, 392, 420, 438, 455, 460, 483, 490, 511, 520, 546, 552, 560, 584, 588, 598, 624, 637, 644, 690, 728, 730, 735, 780, 784, 805, 840, 876, 897, 910, 920, 949, 966, 980, 1022, 1040, 1092, 1095, 1104, 1127, 1168, 1176, 1196, 1274, 1288, 1365, 1380, 1456, 1460, 1470, 1495, 1533, 1560, 1610, 1679, 1680, 1752, 1794, 1820, 1840, 1898, 1911, 1932, 1960, 2044, 2093, 2184, 2190, 2254, 2352, 2392, 2415, 2548, 2555, 2576, 2730, 2760, 2847, 2920, 2940, 2990, 3066, 3120, 3185, 3220, 3358, 3381, 3504, 3577, 3588, 3640, 3796, 3822, 3864, 3920, 4088, 4186, 4368, 4380, 4485, 4508, 4745, 4784, 4830, 5037, 5096, 5110, 5460, 5520, 5635, 5694, 5840, 5880, 5980, 6132, 6279, 6370, 6440, 6643, 6716, 6762, 7154, 7176, 7280, 7592, 7644, 7665, 7728, 8176, 8372, 8395, 8760, 8970, 9016, 9490, 9555, 9660, 10074, 10192, 10220, 10465, 10731, 10920, 11270, 11388, 11753, 11760, 11960, 12264, 12558, 12740, 12880, 13286, 13432, 13524, 14235, 14308, 14352, 14651, 15184, 15288, 15330, 16744, 16790, 16905, 17520, 17885, 17940, 18032, 18980, 19110, 19320, 19929, 20148, 20440, 20930, 21462, 21827, 21840, 22540, 22776, 23506, 23920, 24528, 25116, 25185, 25480, 26572, 26864, 27048, 28470, 28616, 29302, 30576, 30660, 31395, 33215, 33488, 33580, 33810, 35259, 35770, 35880, 37960, 38220, 38640, 39858, 40296, 40880, 41860, 42924, 43654, 43953, 45080, 45552, 46501, 47012, 50232, 50370, 50960, 53144, 53655, 54096, 56940, 57232, 58604, 58765, 61320, 62790, 65481, 66430, 67160, 67620, 70518, 71540, 71760, 73255, 75920, 76440, 79716, 80592, 82271, 83720, 85848, 87308, 87906, 90160, 93002, 94024, 99645, 100464, 100740, 106288, 107310, 109135, 113880, 117208, 117530, 122640, 125580, 130962, 132860, 134320, 135240, 139503, 141036, 143080, 146510, 152789, 152880, 159432, 164542, 167440, 171696, 174616, 175812, 176295, 186004, 188048, 199290, 201480, 214620, 218270, 219765, 227760, 232505, 234416, 235060, 246813, 251160, 261924, 265720, 270480, 279006, 282072, 286160, 293020, 305578, 318864, 327405, 329084, 349232, 351624, 352590, 372008, 398580, 402960, 411355, 429240, 436540, 439530, 458367, 465010, 470120, 493626, 502320, 523848, 531440, 558012, 564144, 586040, 611156, 654810, 658168, 697515, 703248, 705180, 744016, 763945, 797160, 822710, 858480, 873080, 879060, 916734, 930020, 940240, 987252, 1047696, 1069523, 1116024, 1172080, 1222312, 1234065, 1309620, 1316336, 1395030, 1410360, 1527890, 1594320, 1645420, 1746160, 1758120, 1833468, 1860040, 1974504, 2139046, 2232048, 2291835, 2444624, 2468130, 2619240, 2790060, 2820720, 3055780, 3208569, 3290840, 3516240, 3666936, 3720080, 3949008, 4278092, 4583670, 4936260, 5238480, 5347615, 5580120, 6111560, 6417138, 6581680, 7333872, 8556184, 9167340, 9872520, 10695230, 11160240, 12223120, 12834276, 16042845, 17112368, 18334680, 19745040, 21390460, 25668552, 32085690, 36669360, 42780920, 51337104, 64171380, 85561840, 128342760, 256685520]

約数ペア:

[(1, 256685520), (2, 128342760), (3, 85561840), (4, 64171380), (5, 51337104), (6, 42780920), (7, 36669360), (8, 32085690), (10, 25668552), (12, 21390460), (13, 19745040), (14, 18334680), (15, 17112368), (16, 16042845), (20, 12834276), (21, 12223120), (23, 11160240), (24, 10695230), (26, 9872520), (28, 9167340), (30, 8556184), (35, 7333872), (39, 6581680), (40, 6417138), (42, 6111560), (46, 5580120), (48, 5347615), (49, 5238480), (52, 4936260), (56, 4583670), (60, 4278092), (65, 3949008), (69, 3720080), (70, 3666936), (73, 3516240), (78, 3290840), (80, 3208569), (84, 3055780), (91, 2820720), (92, 2790060), (98, 2619240), (104, 2468130), (105, 2444624), (112, 2291835), (115, 2232048), (120, 2139046), (130, 1974504), (138, 1860040), (140, 1833468), (146, 1758120), (147, 1746160), (156, 1645420), (161, 1594320), (168, 1527890), (182, 1410360), (184, 1395030), (195, 1316336), (196, 1309620), (208, 1234065), (210, 1222312), (219, 1172080), (230, 1116024), (240, 1069523), (245, 1047696), (260, 987252), (273, 940240), (276, 930020), (280, 916734), (292, 879060), (294, 873080), (299, 858480), (312, 822710), (322, 797160), (336, 763945), (345, 744016), (364, 705180), (365, 703248), (368, 697515), (390, 658168), (392, 654810), (420, 611156), (438, 586040), (455, 564144), (460, 558012), (483, 531440), (490, 523848), (511, 502320), (520, 493626), (546, 470120), (552, 465010), (560, 458367), (584, 439530), (588, 436540), (598, 429240), (624, 411355), (637, 402960), (644, 398580), (690, 372008), (728, 352590), (730, 351624), (735, 349232), (780, 329084), (784, 327405), (805, 318864), (840, 305578), (876, 293020), (897, 286160), (910, 282072), (920, 279006), (949, 270480), (966, 265720), (980, 261924), (1022, 251160), (1040, 246813), (1092, 235060), (1095, 234416), (1104, 232505), (1127, 227760), (1168, 219765), (1176, 218270), (1196, 214620), (1274, 201480), (1288, 199290), (1365, 188048), (1380, 186004), (1456, 176295), (1460, 175812), (1470, 174616), (1495, 171696), (1533, 167440), (1560, 164542), (1610, 159432), (1679, 152880), (1680, 152789), (1752, 146510), (1794, 143080), (1820, 141036), (1840, 139503), (1898, 135240), (1911, 134320), (1932, 132860), (1960, 130962), (2044, 125580), (2093, 122640), (2184, 117530), (2190, 117208), (2254, 113880), (2352, 109135), (2392, 107310), (2415, 106288), (2548, 100740), (2555, 100464), (2576, 99645), (2730, 94024), (2760, 93002), (2847, 90160), (2920, 87906), (2940, 87308), (2990, 85848), (3066, 83720), (3120, 82271), (3185, 80592), (3220, 79716), (3358, 76440), (3381, 75920), (3504, 73255), (3577, 71760), (3588, 71540), (3640, 70518), (3796, 67620), (3822, 67160), (3864, 66430), (3920, 65481), (4088, 62790), (4186, 61320), (4368, 58765), (4380, 58604), (4485, 57232), (4508, 56940), (4745, 54096), (4784, 53655), (4830, 53144), (5037, 50960), (5096, 50370), (5110, 50232), (5460, 47012), (5520, 46501), (5635, 45552), (5694, 45080), (5840, 43953), (5880, 43654), (5980, 42924), (6132, 41860), (6279, 40880), (6370, 40296), (6440, 39858), (6643, 38640), (6716, 38220), (6762, 37960), (7154, 35880), (7176, 35770), (7280, 35259), (7592, 33810), (7644, 33580), (7665, 33488), (7728, 33215), (8176, 31395), (8372, 30660), (8395, 30576), (8760, 29302), (8970, 28616), (9016, 28470), (9490, 27048), (9555, 26864), (9660, 26572), (10074, 25480), (10192, 25185), (10220, 25116), (10465, 24528), (10731, 23920), (10920, 23506), (11270, 22776), (11388, 22540), (11753, 21840), (11760, 21827), (11960, 21462), (12264, 20930), (12558, 20440), (12740, 20148), (12880, 19929), (13286, 19320), (13432, 19110), (13524, 18980), (14235, 18032), (14308, 17940), (14352, 17885), (14651, 17520), (15184, 16905), (15288, 16790), (15330, 16744)]