421613920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1317

約数の個数: 192

約数和(自身を含む): 1280240640

約数和(自身を除く): 858626720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 208, 224, 230, 260, 280, 299, 322, 364, 368, 416, 455, 460, 520, 560, 598, 644, 728, 736, 805, 910, 920, 1040, 1120, 1196, 1259, 1288, 1456, 1495, 1610, 1820, 1840, 2080, 2093, 2392, 2518, 2576, 2912, 2990, 3220, 3640, 3680, 4186, 4784, 5036, 5152, 5980, 6295, 6440, 7280, 8372, 8813, 9568, 10072, 10465, 11960, 12590, 12880, 14560, 16367, 16744, 17626, 20144, 20930, 23920, 25180, 25760, 28957, 32734, 33488, 35252, 40288, 41860, 44065, 47840, 50360, 57914, 65468, 66976, 70504, 81835, 83720, 88130, 100720, 114569, 115828, 130936, 141008, 144785, 163670, 167440, 176260, 201440, 202699, 229138, 231656, 261872, 282016, 289570, 327340, 334880, 352520, 376441, 405398, 458276, 463312, 523744, 572845, 579140, 654680, 705040, 752882, 810796, 916552, 926624, 1013495, 1145690, 1158280, 1309360, 1410080, 1505764, 1621592, 1833104, 1882205, 2026990, 2291380, 2316560, 2618720, 2635087, 3011528, 3243184, 3666208, 3764410, 4053980, 4582760, 4633120, 5270174, 6023056, 6486368, 7528820, 8107960, 9165520, 10540348, 12046112, 13175435, 15057640, 16215920, 18331040, 21080696, 26350870, 30115280, 32431840, 42161392, 52701740, 60230560, 84322784, 105403480, 210806960, 421613920]

約数ペア:

[(1, 421613920), (2, 210806960), (4, 105403480), (5, 84322784), (7, 60230560), (8, 52701740), (10, 42161392), (13, 32431840), (14, 30115280), (16, 26350870), (20, 21080696), (23, 18331040), (26, 16215920), (28, 15057640), (32, 13175435), (35, 12046112), (40, 10540348), (46, 9165520), (52, 8107960), (56, 7528820), (65, 6486368), (70, 6023056), (80, 5270174), (91, 4633120), (92, 4582760), (104, 4053980), (112, 3764410), (115, 3666208), (130, 3243184), (140, 3011528), (160, 2635087), (161, 2618720), (182, 2316560), (184, 2291380), (208, 2026990), (224, 1882205), (230, 1833104), (260, 1621592), (280, 1505764), (299, 1410080), (322, 1309360), (364, 1158280), (368, 1145690), (416, 1013495), (455, 926624), (460, 916552), (520, 810796), (560, 752882), (598, 705040), (644, 654680), (728, 579140), (736, 572845), (805, 523744), (910, 463312), (920, 458276), (1040, 405398), (1120, 376441), (1196, 352520), (1259, 334880), (1288, 327340), (1456, 289570), (1495, 282016), (1610, 261872), (1820, 231656), (1840, 229138), (2080, 202699), (2093, 201440), (2392, 176260), (2518, 167440), (2576, 163670), (2912, 144785), (2990, 141008), (3220, 130936), (3640, 115828), (3680, 114569), (4186, 100720), (4784, 88130), (5036, 83720), (5152, 81835), (5980, 70504), (6295, 66976), (6440, 65468), (7280, 57914), (8372, 50360), (8813, 47840), (9568, 44065), (10072, 41860), (10465, 40288), (11960, 35252), (12590, 33488), (12880, 32734), (14560, 28957), (16367, 25760), (16744, 25180), (17626, 23920), (20144, 20930)]