661838688

素因数分解:

$2^5\times 3^7\times 7^2\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 288

約数和(自身を含む): 2285025120

約数和(自身を除く): 1623186432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 193, 196, 216, 224, 243, 252, 288, 294, 324, 336, 378, 386, 392, 432, 441, 486, 504, 567, 579, 588, 648, 672, 729, 756, 772, 784, 864, 882, 972, 1008, 1134, 1158, 1176, 1296, 1323, 1351, 1458, 1512, 1544, 1568, 1701, 1737, 1764, 1944, 2016, 2187, 2268, 2316, 2352, 2592, 2646, 2702, 2916, 3024, 3088, 3402, 3474, 3528, 3888, 3969, 4053, 4374, 4536, 4632, 4704, 5103, 5211, 5292, 5404, 5832, 6048, 6176, 6804, 6948, 7056, 7776, 7938, 8106, 8748, 9072, 9264, 9457, 10206, 10422, 10584, 10808, 11664, 11907, 12159, 13608, 13896, 14112, 15309, 15633, 15876, 16212, 17496, 18144, 18528, 18914, 20412, 20844, 21168, 21616, 23328, 23814, 24318, 27216, 27792, 28371, 30618, 31266, 31752, 32424, 34992, 35721, 36477, 37828, 40824, 41688, 42336, 43232, 46899, 47628, 48636, 54432, 55584, 56742, 61236, 62532, 63504, 64848, 69984, 71442, 72954, 75656, 81648, 83376, 85113, 93798, 95256, 97272, 107163, 109431, 113484, 122472, 125064, 127008, 129696, 140697, 142884, 145908, 151312, 163296, 166752, 170226, 187596, 190512, 194544, 214326, 218862, 226968, 244944, 250128, 255339, 281394, 285768, 291816, 302624, 328293, 340452, 375192, 381024, 389088, 422091, 428652, 437724, 453936, 489888, 500256, 510678, 562788, 571536, 583632, 656586, 680904, 750384, 766017, 844182, 857304, 875448, 907872, 984879, 1021356, 1125576, 1143072, 1167264, 1313172, 1361808, 1500768, 1532034, 1688364, 1714608, 1750896, 1969758, 2042712, 2251152, 2298051, 2626344, 2723616, 2954637, 3064068, 3376728, 3429216, 3501792, 3939516, 4085424, 4502304, 4596102, 5252688, 5909274, 6128136, 6753456, 6894153, 7879032, 8170848, 9192204, 10505376, 11818548, 12256272, 13506912, 13788306, 15758064, 18384408, 20682459, 23637096, 24512544, 27576612, 31516128, 36768816, 41364918, 47274192, 55153224, 73537632, 82729836, 94548384, 110306448, 165459672, 220612896, 330919344, 661838688]

約数ペア:

[(1, 661838688), (2, 330919344), (3, 220612896), (4, 165459672), (6, 110306448), (7, 94548384), (8, 82729836), (9, 73537632), (12, 55153224), (14, 47274192), (16, 41364918), (18, 36768816), (21, 31516128), (24, 27576612), (27, 24512544), (28, 23637096), (32, 20682459), (36, 18384408), (42, 15758064), (48, 13788306), (49, 13506912), (54, 12256272), (56, 11818548), (63, 10505376), (72, 9192204), (81, 8170848), (84, 7879032), (96, 6894153), (98, 6753456), (108, 6128136), (112, 5909274), (126, 5252688), (144, 4596102), (147, 4502304), (162, 4085424), (168, 3939516), (189, 3501792), (193, 3429216), (196, 3376728), (216, 3064068), (224, 2954637), (243, 2723616), (252, 2626344), (288, 2298051), (294, 2251152), (324, 2042712), (336, 1969758), (378, 1750896), (386, 1714608), (392, 1688364), (432, 1532034), (441, 1500768), (486, 1361808), (504, 1313172), (567, 1167264), (579, 1143072), (588, 1125576), (648, 1021356), (672, 984879), (729, 907872), (756, 875448), (772, 857304), (784, 844182), (864, 766017), (882, 750384), (972, 680904), (1008, 656586), (1134, 583632), (1158, 571536), (1176, 562788), (1296, 510678), (1323, 500256), (1351, 489888), (1458, 453936), (1512, 437724), (1544, 428652), (1568, 422091), (1701, 389088), (1737, 381024), (1764, 375192), (1944, 340452), (2016, 328293), (2187, 302624), (2268, 291816), (2316, 285768), (2352, 281394), (2592, 255339), (2646, 250128), (2702, 244944), (2916, 226968), (3024, 218862), (3088, 214326), (3402, 194544), (3474, 190512), (3528, 187596), (3888, 170226), (3969, 166752), (4053, 163296), (4374, 151312), (4536, 145908), (4632, 142884), (4704, 140697), (5103, 129696), (5211, 127008), (5292, 125064), (5404, 122472), (5832, 113484), (6048, 109431), (6176, 107163), (6804, 97272), (6948, 95256), (7056, 93798), (7776, 85113), (7938, 83376), (8106, 81648), (8748, 75656), (9072, 72954), (9264, 71442), (9457, 69984), (10206, 64848), (10422, 63504), (10584, 62532), (10808, 61236), (11664, 56742), (11907, 55584), (12159, 54432), (13608, 48636), (13896, 47628), (14112, 46899), (15309, 43232), (15633, 42336), (15876, 41688), (16212, 40824), (17496, 37828), (18144, 36477), (18528, 35721), (18914, 34992), (20412, 32424), (20844, 31752), (21168, 31266), (21616, 30618), (23328, 28371), (23814, 27792), (24318, 27216)]