638648064

素因数分解:

$2^8\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1668

約数の個数: 180

約数和(自身を含む): 2005797640

約数和(自身を除く): 1367149576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 108, 114, 128, 144, 152, 162, 171, 192, 216, 228, 256, 288, 304, 324, 342, 384, 432, 456, 513, 576, 608, 648, 684, 768, 864, 912, 1026, 1152, 1216, 1296, 1368, 1539, 1621, 1728, 1824, 2052, 2304, 2432, 2592, 2736, 3078, 3242, 3456, 3648, 4104, 4863, 4864, 5184, 5472, 6156, 6484, 6912, 7296, 8208, 9726, 10368, 10944, 12312, 12968, 14589, 14592, 16416, 19452, 20736, 21888, 24624, 25936, 29178, 30799, 32832, 38904, 43767, 43776, 49248, 51872, 58356, 61598, 65664, 77808, 87534, 92397, 98496, 103744, 116712, 123196, 131301, 131328, 155616, 175068, 184794, 196992, 207488, 233424, 246392, 262602, 277191, 311232, 350136, 369588, 393984, 414976, 466848, 492784, 525204, 554382, 622464, 700272, 739176, 831573, 933696, 985568, 1050408, 1108764, 1244928, 1400544, 1478352, 1663146, 1867392, 1971136, 2100816, 2217528, 2494719, 2801088, 2956704, 3326292, 3734784, 3942272, 4201632, 4435056, 4989438, 5602176, 5913408, 6652584, 7884544, 8403264, 8870112, 9978876, 11204352, 11826816, 13305168, 16806528, 17740224, 19957752, 23653632, 26610336, 33613056, 35480448, 39915504, 53220672, 70960896, 79831008, 106441344, 159662016, 212882688, 319324032, 638648064]

約数ペア:

[(1, 638648064), (2, 319324032), (3, 212882688), (4, 159662016), (6, 106441344), (8, 79831008), (9, 70960896), (12, 53220672), (16, 39915504), (18, 35480448), (19, 33613056), (24, 26610336), (27, 23653632), (32, 19957752), (36, 17740224), (38, 16806528), (48, 13305168), (54, 11826816), (57, 11204352), (64, 9978876), (72, 8870112), (76, 8403264), (81, 7884544), (96, 6652584), (108, 5913408), (114, 5602176), (128, 4989438), (144, 4435056), (152, 4201632), (162, 3942272), (171, 3734784), (192, 3326292), (216, 2956704), (228, 2801088), (256, 2494719), (288, 2217528), (304, 2100816), (324, 1971136), (342, 1867392), (384, 1663146), (432, 1478352), (456, 1400544), (513, 1244928), (576, 1108764), (608, 1050408), (648, 985568), (684, 933696), (768, 831573), (864, 739176), (912, 700272), (1026, 622464), (1152, 554382), (1216, 525204), (1296, 492784), (1368, 466848), (1539, 414976), (1621, 393984), (1728, 369588), (1824, 350136), (2052, 311232), (2304, 277191), (2432, 262602), (2592, 246392), (2736, 233424), (3078, 207488), (3242, 196992), (3456, 184794), (3648, 175068), (4104, 155616), (4863, 131328), (4864, 131301), (5184, 123196), (5472, 116712), (6156, 103744), (6484, 98496), (6912, 92397), (7296, 87534), (8208, 77808), (9726, 65664), (10368, 61598), (10944, 58356), (12312, 51872), (12968, 49248), (14589, 43776), (14592, 43767), (16416, 38904), (19452, 32832), (20736, 30799), (21888, 29178), (24624, 25936)]