2128658280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:744

約数の個数: 256

約数和(自身を含む): 7664025600

約数和(自身を除く): 5535367320

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, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 239, 276, 280, 322, 345, 420, 460, 461, 478, 483, 552, 644, 690, 717, 805, 840, 920, 922, 956, 966, 1195, 1288, 1380, 1383, 1434, 1610, 1673, 1844, 1912, 1932, 2305, 2390, 2415, 2760, 2766, 2868, 3220, 3227, 3346, 3585, 3688, 3864, 4610, 4780, 4830, 5019, 5497, 5532, 5736, 6440, 6454, 6692, 6915, 7170, 8365, 9220, 9560, 9660, 9681, 10038, 10603, 10994, 11064, 12908, 13384, 13830, 14340, 16135, 16491, 16730, 18440, 19320, 19362, 20076, 21206, 21988, 25095, 25816, 27485, 27660, 28680, 31809, 32270, 32982, 33460, 38479, 38724, 40152, 42412, 43976, 48405, 50190, 53015, 54970, 55320, 63618, 64540, 65964, 66920, 74221, 76958, 77448, 82455, 84824, 96810, 100380, 106030, 109940, 110179, 115437, 127236, 129080, 131928, 148442, 153916, 159045, 164910, 192395, 193620, 200760, 212060, 219880, 220358, 222663, 230874, 254472, 296884, 307832, 318090, 329820, 330537, 371105, 384790, 387240, 424120, 440716, 445326, 461748, 550895, 577185, 593768, 636180, 659640, 661074, 742210, 769580, 771253, 881432, 890652, 923496, 1101790, 1113315, 1154370, 1272360, 1322148, 1484420, 1539160, 1542506, 1652685, 1781304, 2203580, 2226630, 2308740, 2313759, 2534117, 2644296, 2968840, 3085012, 3305370, 3856265, 4407160, 4453260, 4617480, 4627518, 5068234, 6170024, 6610740, 7602351, 7712530, 8906520, 9255036, 10136468, 11568795, 12670585, 13221480, 15204702, 15425060, 17738819, 18510072, 20272936, 23137590, 25341170, 30409404, 30850120, 35477638, 38011755, 46275180, 50682340, 53216457, 60818808, 70955276, 76023510, 88694095, 92550360, 101364680, 106432914, 141910552, 152047020, 177388190, 212865828, 266082285, 304094040, 354776380, 425731656, 532164570, 709552760, 1064329140, 2128658280]

約数ペア:

[(1, 2128658280), (2, 1064329140), (3, 709552760), (4, 532164570), (5, 425731656), (6, 354776380), (7, 304094040), (8, 266082285), (10, 212865828), (12, 177388190), (14, 152047020), (15, 141910552), (20, 106432914), (21, 101364680), (23, 92550360), (24, 88694095), (28, 76023510), (30, 70955276), (35, 60818808), (40, 53216457), (42, 50682340), (46, 46275180), (56, 38011755), (60, 35477638), (69, 30850120), (70, 30409404), (84, 25341170), (92, 23137590), (105, 20272936), (115, 18510072), (120, 17738819), (138, 15425060), (140, 15204702), (161, 13221480), (168, 12670585), (184, 11568795), (210, 10136468), (230, 9255036), (239, 8906520), (276, 7712530), (280, 7602351), (322, 6610740), (345, 6170024), (420, 5068234), (460, 4627518), (461, 4617480), (478, 4453260), (483, 4407160), (552, 3856265), (644, 3305370), (690, 3085012), (717, 2968840), (805, 2644296), (840, 2534117), (920, 2313759), (922, 2308740), (956, 2226630), (966, 2203580), (1195, 1781304), (1288, 1652685), (1380, 1542506), (1383, 1539160), (1434, 1484420), (1610, 1322148), (1673, 1272360), (1844, 1154370), (1912, 1113315), (1932, 1101790), (2305, 923496), (2390, 890652), (2415, 881432), (2760, 771253), (2766, 769580), (2868, 742210), (3220, 661074), (3227, 659640), (3346, 636180), (3585, 593768), (3688, 577185), (3864, 550895), (4610, 461748), (4780, 445326), (4830, 440716), (5019, 424120), (5497, 387240), (5532, 384790), (5736, 371105), (6440, 330537), (6454, 329820), (6692, 318090), (6915, 307832), (7170, 296884), (8365, 254472), (9220, 230874), (9560, 222663), (9660, 220358), (9681, 219880), (10038, 212060), (10603, 200760), (10994, 193620), (11064, 192395), (12908, 164910), (13384, 159045), (13830, 153916), (14340, 148442), (16135, 131928), (16491, 129080), (16730, 127236), (18440, 115437), (19320, 110179), (19362, 109940), (20076, 106030), (21206, 100380), (21988, 96810), (25095, 84824), (25816, 82455), (27485, 77448), (27660, 76958), (28680, 74221), (31809, 66920), (32270, 65964), (32982, 64540), (33460, 63618), (38479, 55320), (38724, 54970), (40152, 53015), (42412, 50190), (43976, 48405)]