261457560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 384

約数和(自身を含む): 1094446080

約数和(自身を除く): 832988520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 46, 52, 56, 60, 63, 65, 69, 70, 72, 78, 84, 90, 91, 92, 104, 105, 115, 117, 120, 126, 130, 138, 140, 156, 161, 168, 180, 182, 184, 195, 207, 210, 230, 234, 252, 260, 273, 276, 280, 299, 312, 315, 322, 345, 347, 360, 364, 390, 414, 420, 455, 460, 468, 483, 504, 520, 546, 552, 585, 598, 630, 644, 690, 694, 728, 780, 805, 819, 828, 840, 897, 910, 920, 936, 966, 1035, 1041, 1092, 1170, 1196, 1260, 1288, 1365, 1380, 1388, 1449, 1495, 1560, 1610, 1638, 1656, 1735, 1794, 1820, 1932, 2070, 2082, 2093, 2184, 2340, 2392, 2415, 2429, 2520, 2691, 2730, 2760, 2776, 2898, 2990, 3123, 3220, 3276, 3470, 3588, 3640, 3864, 4095, 4140, 4164, 4186, 4485, 4511, 4680, 4830, 4858, 5205, 5382, 5460, 5796, 5980, 6246, 6279, 6440, 6552, 6940, 7176, 7245, 7287, 7981, 8190, 8280, 8328, 8372, 8970, 9022, 9660, 9716, 10410, 10465, 10764, 10920, 11592, 11960, 12145, 12492, 12558, 13455, 13533, 13880, 14490, 14574, 15615, 15962, 16380, 16744, 17940, 18044, 18837, 19320, 19432, 20820, 20930, 21528, 21861, 22555, 23943, 24290, 24984, 25116, 26910, 27066, 28980, 29148, 31230, 31395, 31577, 31924, 32760, 35880, 36088, 36435, 37674, 39905, 40599, 41640, 41860, 43722, 45110, 47886, 48580, 50232, 53820, 54132, 55867, 57960, 58296, 62460, 62790, 63154, 63848, 67665, 71829, 72870, 75348, 79810, 81198, 83720, 87444, 90220, 94185, 94731, 95772, 97160, 103753, 107640, 108264, 109305, 111734, 119715, 124920, 125580, 126308, 135330, 143658, 145740, 150696, 157885, 159620, 162396, 167601, 174888, 180440, 188370, 189462, 191544, 202995, 207506, 218610, 223468, 239430, 251160, 252616, 270660, 279335, 284193, 287316, 291480, 311259, 315770, 319240, 324792, 335202, 359145, 376740, 378924, 405990, 415012, 437220, 446936, 473655, 478860, 502803, 518765, 541320, 558670, 568386, 574632, 622518, 631540, 670404, 718290, 726271, 753480, 757848, 811980, 830024, 838005, 874440, 933777, 947310, 957720, 1005606, 1037530, 1117340, 1136772, 1245036, 1263080, 1340808, 1420965, 1436580, 1452542, 1556295, 1623960, 1676010, 1867554, 1894620, 2011212, 2075060, 2178813, 2234680, 2273544, 2490072, 2514015, 2841930, 2873160, 2905084, 3112590, 3352020, 3631355, 3735108, 3789240, 4022424, 4150120, 4357626, 4668885, 5028030, 5683860, 5810168, 6225180, 6536439, 6704040, 7262710, 7470216, 8715252, 9337770, 10056060, 10894065, 11367720, 12450360, 13072878, 14525420, 17430504, 18675540, 20112120, 21788130, 26145756, 29050840, 32682195, 37351080, 43576260, 52291512, 65364390, 87152520, 130728780, 261457560]

約数ペア:

[(1, 261457560), (2, 130728780), (3, 87152520), (4, 65364390), (5, 52291512), (6, 43576260), (7, 37351080), (8, 32682195), (9, 29050840), (10, 26145756), (12, 21788130), (13, 20112120), (14, 18675540), (15, 17430504), (18, 14525420), (20, 13072878), (21, 12450360), (23, 11367720), (24, 10894065), (26, 10056060), (28, 9337770), (30, 8715252), (35, 7470216), (36, 7262710), (39, 6704040), (40, 6536439), (42, 6225180), (45, 5810168), (46, 5683860), (52, 5028030), (56, 4668885), (60, 4357626), (63, 4150120), (65, 4022424), (69, 3789240), (70, 3735108), (72, 3631355), (78, 3352020), (84, 3112590), (90, 2905084), (91, 2873160), (92, 2841930), (104, 2514015), (105, 2490072), (115, 2273544), (117, 2234680), (120, 2178813), (126, 2075060), (130, 2011212), (138, 1894620), (140, 1867554), (156, 1676010), (161, 1623960), (168, 1556295), (180, 1452542), (182, 1436580), (184, 1420965), (195, 1340808), (207, 1263080), (210, 1245036), (230, 1136772), (234, 1117340), (252, 1037530), (260, 1005606), (273, 957720), (276, 947310), (280, 933777), (299, 874440), (312, 838005), (315, 830024), (322, 811980), (345, 757848), (347, 753480), (360, 726271), (364, 718290), (390, 670404), (414, 631540), (420, 622518), (455, 574632), (460, 568386), (468, 558670), (483, 541320), (504, 518765), (520, 502803), (546, 478860), (552, 473655), (585, 446936), (598, 437220), (630, 415012), (644, 405990), (690, 378924), (694, 376740), (728, 359145), (780, 335202), (805, 324792), (819, 319240), (828, 315770), (840, 311259), (897, 291480), (910, 287316), (920, 284193), (936, 279335), (966, 270660), (1035, 252616), (1041, 251160), (1092, 239430), (1170, 223468), (1196, 218610), (1260, 207506), (1288, 202995), (1365, 191544), (1380, 189462), (1388, 188370), (1449, 180440), (1495, 174888), (1560, 167601), (1610, 162396), (1638, 159620), (1656, 157885), (1735, 150696), (1794, 145740), (1820, 143658), (1932, 135330), (2070, 126308), (2082, 125580), (2093, 124920), (2184, 119715), (2340, 111734), (2392, 109305), (2415, 108264), (2429, 107640), (2520, 103753), (2691, 97160), (2730, 95772), (2760, 94731), (2776, 94185), (2898, 90220), (2990, 87444), (3123, 83720), (3220, 81198), (3276, 79810), (3470, 75348), (3588, 72870), (3640, 71829), (3864, 67665), (4095, 63848), (4140, 63154), (4164, 62790), (4186, 62460), (4485, 58296), (4511, 57960), (4680, 55867), (4830, 54132), (4858, 53820), (5205, 50232), (5382, 48580), (5460, 47886), (5796, 45110), (5980, 43722), (6246, 41860), (6279, 41640), (6440, 40599), (6552, 39905), (6940, 37674), (7176, 36435), (7245, 36088), (7287, 35880), (7981, 32760), (8190, 31924), (8280, 31577), (8328, 31395), (8372, 31230), (8970, 29148), (9022, 28980), (9660, 27066), (9716, 26910), (10410, 25116), (10465, 24984), (10764, 24290), (10920, 23943), (11592, 22555), (11960, 21861), (12145, 21528), (12492, 20930), (12558, 20820), (13455, 19432), (13533, 19320), (13880, 18837), (14490, 18044), (14574, 17940), (15615, 16744), (15962, 16380)]