261523080

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:930

約数の個数: 320

約数和(自身を含む): 1083075840

約数和(自身を除く): 821552760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 81, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 162, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 324, 351, 360, 364, 378, 390, 405, 420, 455, 468, 504, 520, 540, 546, 567, 585, 630, 648, 702, 728, 756, 780, 810, 819, 840, 887, 910, 936, 945, 1053, 1080, 1092, 1134, 1170, 1260, 1365, 1404, 1512, 1560, 1620, 1638, 1755, 1774, 1820, 1890, 2106, 2184, 2268, 2340, 2457, 2520, 2661, 2730, 2808, 2835, 3240, 3276, 3510, 3548, 3640, 3780, 4095, 4212, 4435, 4536, 4680, 4914, 5265, 5322, 5460, 5670, 6209, 6552, 7020, 7096, 7371, 7560, 7983, 8190, 8424, 8870, 9828, 10530, 10644, 10920, 11340, 11531, 12285, 12418, 13305, 14040, 14742, 15966, 16380, 17740, 18627, 19656, 21060, 21288, 22680, 23062, 23949, 24570, 24836, 26610, 29484, 31045, 31932, 32760, 34593, 35480, 36855, 37254, 39915, 42120, 46124, 47898, 49140, 49672, 53220, 55881, 57655, 58968, 62090, 63864, 69186, 71847, 73710, 74508, 79830, 80717, 92248, 93135, 95796, 98280, 103779, 106440, 111762, 115310, 119745, 124180, 138372, 143694, 147420, 149016, 159660, 161434, 167643, 172965, 186270, 191592, 207558, 223524, 230620, 239490, 242151, 248360, 276744, 279405, 287388, 294840, 311337, 319320, 322868, 335286, 345930, 359235, 372540, 403585, 415116, 447048, 461240, 478980, 484302, 502929, 518895, 558810, 574776, 622674, 645736, 670572, 691860, 718470, 726453, 745080, 807170, 830232, 838215, 934011, 957960, 968604, 1005858, 1037790, 1117620, 1210755, 1245348, 1341144, 1383720, 1436940, 1452906, 1556685, 1614340, 1676430, 1868022, 1937208, 2011716, 2075580, 2179359, 2235240, 2421510, 2490696, 2514645, 2873880, 2905812, 3113370, 3228680, 3352860, 3632265, 3736044, 4023432, 4151160, 4358718, 4670055, 4843020, 5029290, 5811624, 6226740, 6538077, 6705720, 7264530, 7472088, 8717436, 9340110, 9686040, 10058580, 10896795, 12453480, 13076154, 14529060, 17434872, 18680220, 20117160, 21793590, 26152308, 29058120, 32690385, 37360440, 43587180, 52304616, 65380770, 87174360, 130761540, 261523080]

約数ペア:

[(1, 261523080), (2, 130761540), (3, 87174360), (4, 65380770), (5, 52304616), (6, 43587180), (7, 37360440), (8, 32690385), (9, 29058120), (10, 26152308), (12, 21793590), (13, 20117160), (14, 18680220), (15, 17434872), (18, 14529060), (20, 13076154), (21, 12453480), (24, 10896795), (26, 10058580), (27, 9686040), (28, 9340110), (30, 8717436), (35, 7472088), (36, 7264530), (39, 6705720), (40, 6538077), (42, 6226740), (45, 5811624), (52, 5029290), (54, 4843020), (56, 4670055), (60, 4358718), (63, 4151160), (65, 4023432), (70, 3736044), (72, 3632265), (78, 3352860), (81, 3228680), (84, 3113370), (90, 2905812), (91, 2873880), (104, 2514645), (105, 2490696), (108, 2421510), (117, 2235240), (120, 2179359), (126, 2075580), (130, 2011716), (135, 1937208), (140, 1868022), (156, 1676430), (162, 1614340), (168, 1556685), (180, 1452906), (182, 1436940), (189, 1383720), (195, 1341144), (210, 1245348), (216, 1210755), (234, 1117620), (252, 1037790), (260, 1005858), (270, 968604), (273, 957960), (280, 934011), (312, 838215), (315, 830232), (324, 807170), (351, 745080), (360, 726453), (364, 718470), (378, 691860), (390, 670572), (405, 645736), (420, 622674), (455, 574776), (468, 558810), (504, 518895), (520, 502929), (540, 484302), (546, 478980), (567, 461240), (585, 447048), (630, 415116), (648, 403585), (702, 372540), (728, 359235), (756, 345930), (780, 335286), (810, 322868), (819, 319320), (840, 311337), (887, 294840), (910, 287388), (936, 279405), (945, 276744), (1053, 248360), (1080, 242151), (1092, 239490), (1134, 230620), (1170, 223524), (1260, 207558), (1365, 191592), (1404, 186270), (1512, 172965), (1560, 167643), (1620, 161434), (1638, 159660), (1755, 149016), (1774, 147420), (1820, 143694), (1890, 138372), (2106, 124180), (2184, 119745), (2268, 115310), (2340, 111762), (2457, 106440), (2520, 103779), (2661, 98280), (2730, 95796), (2808, 93135), (2835, 92248), (3240, 80717), (3276, 79830), (3510, 74508), (3548, 73710), (3640, 71847), (3780, 69186), (4095, 63864), (4212, 62090), (4435, 58968), (4536, 57655), (4680, 55881), (4914, 53220), (5265, 49672), (5322, 49140), (5460, 47898), (5670, 46124), (6209, 42120), (6552, 39915), (7020, 37254), (7096, 36855), (7371, 35480), (7560, 34593), (7983, 32760), (8190, 31932), (8424, 31045), (8870, 29484), (9828, 26610), (10530, 24836), (10644, 24570), (10920, 23949), (11340, 23062), (11531, 22680), (12285, 21288), (12418, 21060), (13305, 19656), (14040, 18627), (14742, 17740), (15966, 16380)]