639249408

素因数分解:

$2^{10}\times 3^5\times 7^1\times {\mathrm{367}}^1$

素因数の和:409

約数の個数: 264

約数和(自身を含む): 2193597952

約数和(自身を除く): 1554348544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 243, 252, 256, 288, 324, 336, 367, 378, 384, 432, 448, 486, 504, 512, 567, 576, 648, 672, 734, 756, 768, 864, 896, 972, 1008, 1024, 1101, 1134, 1152, 1296, 1344, 1468, 1512, 1536, 1701, 1728, 1792, 1944, 2016, 2202, 2268, 2304, 2569, 2592, 2688, 2936, 3024, 3072, 3303, 3402, 3456, 3584, 3888, 4032, 4404, 4536, 4608, 5138, 5184, 5376, 5872, 6048, 6606, 6804, 6912, 7168, 7707, 7776, 8064, 8808, 9072, 9216, 9909, 10276, 10368, 10752, 11744, 12096, 13212, 13608, 13824, 15414, 15552, 16128, 17616, 18144, 19818, 20552, 20736, 21504, 23121, 23488, 24192, 26424, 27216, 27648, 29727, 30828, 31104, 32256, 35232, 36288, 39636, 41104, 41472, 46242, 46976, 48384, 52848, 54432, 59454, 61656, 62208, 64512, 69363, 70464, 72576, 79272, 82208, 82944, 89181, 92484, 93952, 96768, 105696, 108864, 118908, 123312, 124416, 138726, 140928, 145152, 158544, 164416, 178362, 184968, 187904, 193536, 208089, 211392, 217728, 237816, 246624, 248832, 277452, 281856, 290304, 317088, 328832, 356724, 369936, 375808, 416178, 422784, 435456, 475632, 493248, 554904, 563712, 580608, 624267, 634176, 657664, 713448, 739872, 832356, 845568, 870912, 951264, 986496, 1109808, 1127424, 1248534, 1268352, 1315328, 1426896, 1479744, 1664712, 1691136, 1741824, 1902528, 1972992, 2219616, 2497068, 2536704, 2630656, 2853792, 2959488, 3329424, 3382272, 3805056, 3945984, 4439232, 4994136, 5073408, 5707584, 5918976, 6658848, 7610112, 7891968, 8878464, 9988272, 10146816, 11415168, 11837952, 13317696, 15220224, 17756928, 19976544, 22830336, 23675904, 26635392, 30440448, 35513856, 39953088, 45660672, 53270784, 71027712, 79906176, 91321344, 106541568, 159812352, 213083136, 319624704, 639249408]

約数ペア:

[(1, 639249408), (2, 319624704), (3, 213083136), (4, 159812352), (6, 106541568), (7, 91321344), (8, 79906176), (9, 71027712), (12, 53270784), (14, 45660672), (16, 39953088), (18, 35513856), (21, 30440448), (24, 26635392), (27, 23675904), (28, 22830336), (32, 19976544), (36, 17756928), (42, 15220224), (48, 13317696), (54, 11837952), (56, 11415168), (63, 10146816), (64, 9988272), (72, 8878464), (81, 7891968), (84, 7610112), (96, 6658848), (108, 5918976), (112, 5707584), (126, 5073408), (128, 4994136), (144, 4439232), (162, 3945984), (168, 3805056), (189, 3382272), (192, 3329424), (216, 2959488), (224, 2853792), (243, 2630656), (252, 2536704), (256, 2497068), (288, 2219616), (324, 1972992), (336, 1902528), (367, 1741824), (378, 1691136), (384, 1664712), (432, 1479744), (448, 1426896), (486, 1315328), (504, 1268352), (512, 1248534), (567, 1127424), (576, 1109808), (648, 986496), (672, 951264), (734, 870912), (756, 845568), (768, 832356), (864, 739872), (896, 713448), (972, 657664), (1008, 634176), (1024, 624267), (1101, 580608), (1134, 563712), (1152, 554904), (1296, 493248), (1344, 475632), (1468, 435456), (1512, 422784), (1536, 416178), (1701, 375808), (1728, 369936), (1792, 356724), (1944, 328832), (2016, 317088), (2202, 290304), (2268, 281856), (2304, 277452), (2569, 248832), (2592, 246624), (2688, 237816), (2936, 217728), (3024, 211392), (3072, 208089), (3303, 193536), (3402, 187904), (3456, 184968), (3584, 178362), (3888, 164416), (4032, 158544), (4404, 145152), (4536, 140928), (4608, 138726), (5138, 124416), (5184, 123312), (5376, 118908), (5872, 108864), (6048, 105696), (6606, 96768), (6804, 93952), (6912, 92484), (7168, 89181), (7707, 82944), (7776, 82208), (8064, 79272), (8808, 72576), (9072, 70464), (9216, 69363), (9909, 64512), (10276, 62208), (10368, 61656), (10752, 59454), (11744, 54432), (12096, 52848), (13212, 48384), (13608, 46976), (13824, 46242), (15414, 41472), (15552, 41104), (16128, 39636), (17616, 36288), (18144, 35232), (19818, 32256), (20552, 31104), (20736, 30828), (21504, 29727), (23121, 27648), (23488, 27216), (24192, 26424)]