661216608

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 288

約数和(自身を含む): 2177989632

約数和(自身を除く): 1516773024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 72, 78, 81, 93, 96, 104, 108, 117, 124, 144, 156, 162, 186, 208, 211, 216, 234, 243, 248, 279, 288, 312, 324, 351, 372, 403, 416, 422, 432, 468, 486, 496, 558, 624, 633, 648, 702, 744, 806, 837, 844, 864, 936, 972, 992, 1053, 1116, 1209, 1248, 1266, 1296, 1404, 1488, 1612, 1674, 1688, 1872, 1899, 1944, 2106, 2232, 2418, 2511, 2532, 2592, 2743, 2808, 2976, 3159, 3224, 3348, 3376, 3627, 3744, 3798, 3888, 4212, 4464, 4836, 5022, 5064, 5486, 5616, 5697, 6318, 6448, 6541, 6696, 6752, 7254, 7533, 7596, 7776, 8229, 8424, 8928, 9672, 10044, 10128, 10881, 10972, 11232, 11394, 12636, 12896, 13082, 13392, 14508, 15066, 15192, 16458, 16848, 17091, 19344, 19623, 20088, 20256, 21762, 21944, 22788, 24687, 25272, 26164, 26784, 29016, 30132, 30384, 32643, 32916, 33696, 34182, 38688, 39246, 40176, 43524, 43888, 45576, 49374, 50544, 51273, 52328, 58032, 58869, 60264, 60768, 65286, 65832, 68364, 74061, 78492, 80352, 85033, 87048, 87776, 91152, 97929, 98748, 101088, 102546, 104656, 116064, 117738, 120528, 130572, 131664, 136728, 148122, 156984, 170066, 174096, 176607, 182304, 195858, 197496, 205092, 209312, 222183, 235476, 241056, 255099, 261144, 263328, 273456, 296244, 313968, 340132, 348192, 353214, 391716, 394992, 410184, 444366, 470952, 510198, 522288, 529821, 546912, 592488, 627936, 666549, 680264, 706428, 765297, 783432, 789984, 820368, 888732, 941904, 1020396, 1044576, 1059642, 1184976, 1333098, 1360528, 1412856, 1530594, 1566864, 1589463, 1640736, 1777464, 1883808, 2040792, 2119284, 2295891, 2369952, 2666196, 2721056, 2825712, 3061188, 3133728, 3178926, 3554928, 4081584, 4238568, 4591782, 5332392, 5651424, 6122376, 6357852, 6887673, 7109856, 8163168, 8477136, 9183564, 10664784, 12244752, 12715704, 13775346, 16954272, 18367128, 20663019, 21329568, 24489504, 25431408, 27550692, 36734256, 41326038, 50862816, 55101384, 73468512, 82652076, 110202768, 165304152, 220405536, 330608304, 661216608]

約数ペア:

[(1, 661216608), (2, 330608304), (3, 220405536), (4, 165304152), (6, 110202768), (8, 82652076), (9, 73468512), (12, 55101384), (13, 50862816), (16, 41326038), (18, 36734256), (24, 27550692), (26, 25431408), (27, 24489504), (31, 21329568), (32, 20663019), (36, 18367128), (39, 16954272), (48, 13775346), (52, 12715704), (54, 12244752), (62, 10664784), (72, 9183564), (78, 8477136), (81, 8163168), (93, 7109856), (96, 6887673), (104, 6357852), (108, 6122376), (117, 5651424), (124, 5332392), (144, 4591782), (156, 4238568), (162, 4081584), (186, 3554928), (208, 3178926), (211, 3133728), (216, 3061188), (234, 2825712), (243, 2721056), (248, 2666196), (279, 2369952), (288, 2295891), (312, 2119284), (324, 2040792), (351, 1883808), (372, 1777464), (403, 1640736), (416, 1589463), (422, 1566864), (432, 1530594), (468, 1412856), (486, 1360528), (496, 1333098), (558, 1184976), (624, 1059642), (633, 1044576), (648, 1020396), (702, 941904), (744, 888732), (806, 820368), (837, 789984), (844, 783432), (864, 765297), (936, 706428), (972, 680264), (992, 666549), (1053, 627936), (1116, 592488), (1209, 546912), (1248, 529821), (1266, 522288), (1296, 510198), (1404, 470952), (1488, 444366), (1612, 410184), (1674, 394992), (1688, 391716), (1872, 353214), (1899, 348192), (1944, 340132), (2106, 313968), (2232, 296244), (2418, 273456), (2511, 263328), (2532, 261144), (2592, 255099), (2743, 241056), (2808, 235476), (2976, 222183), (3159, 209312), (3224, 205092), (3348, 197496), (3376, 195858), (3627, 182304), (3744, 176607), (3798, 174096), (3888, 170066), (4212, 156984), (4464, 148122), (4836, 136728), (5022, 131664), (5064, 130572), (5486, 120528), (5616, 117738), (5697, 116064), (6318, 104656), (6448, 102546), (6541, 101088), (6696, 98748), (6752, 97929), (7254, 91152), (7533, 87776), (7596, 87048), (7776, 85033), (8229, 80352), (8424, 78492), (8928, 74061), (9672, 68364), (10044, 65832), (10128, 65286), (10881, 60768), (10972, 60264), (11232, 58869), (11394, 58032), (12636, 52328), (12896, 51273), (13082, 50544), (13392, 49374), (14508, 45576), (15066, 43888), (15192, 43524), (16458, 40176), (16848, 39246), (17091, 38688), (19344, 34182), (19623, 33696), (20088, 32916), (20256, 32643), (21762, 30384), (21944, 30132), (22788, 29016), (24687, 26784), (25272, 26164)]