81887520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1193}}^1$

素因数の和:1235

約数の個数: 192

約数和(自身を含む): 303295104

約数和(自身を除く): 221407584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1056, 1144, 1193, 1248, 1320, 1430, 1560, 1716, 1760, 2080, 2145, 2288, 2386, 2640, 2860, 3120, 3432, 3579, 4290, 4576, 4772, 5280, 5720, 5965, 6240, 6864, 7158, 8580, 9544, 11440, 11930, 13123, 13728, 14316, 15509, 17160, 17895, 19088, 22880, 23860, 26246, 28632, 31018, 34320, 35790, 38176, 39369, 46527, 47720, 52492, 57264, 62036, 65615, 68640, 71580, 77545, 78738, 93054, 95440, 104984, 114528, 124072, 131230, 143160, 155090, 157476, 170599, 186108, 190880, 196845, 209968, 232635, 248144, 262460, 286320, 310180, 314952, 341198, 372216, 393690, 419936, 465270, 496288, 511797, 524920, 572640, 620360, 629904, 682396, 744432, 787380, 852995, 930540, 1023594, 1049840, 1240720, 1259808, 1364792, 1488864, 1574760, 1705990, 1861080, 2047188, 2099680, 2481440, 2558985, 2729584, 3149520, 3411980, 3722160, 4094376, 5117970, 5459168, 6299040, 6823960, 7444320, 8188752, 10235940, 13647920, 16377504, 20471880, 27295840, 40943760, 81887520]

約数ペア:

[(1, 81887520), (2, 40943760), (3, 27295840), (4, 20471880), (5, 16377504), (6, 13647920), (8, 10235940), (10, 8188752), (11, 7444320), (12, 6823960), (13, 6299040), (15, 5459168), (16, 5117970), (20, 4094376), (22, 3722160), (24, 3411980), (26, 3149520), (30, 2729584), (32, 2558985), (33, 2481440), (39, 2099680), (40, 2047188), (44, 1861080), (48, 1705990), (52, 1574760), (55, 1488864), (60, 1364792), (65, 1259808), (66, 1240720), (78, 1049840), (80, 1023594), (88, 930540), (96, 852995), (104, 787380), (110, 744432), (120, 682396), (130, 629904), (132, 620360), (143, 572640), (156, 524920), (160, 511797), (165, 496288), (176, 465270), (195, 419936), (208, 393690), (220, 372216), (240, 341198), (260, 314952), (264, 310180), (286, 286320), (312, 262460), (330, 248144), (352, 232635), (390, 209968), (416, 196845), (429, 190880), (440, 186108), (480, 170599), (520, 157476), (528, 155090), (572, 143160), (624, 131230), (660, 124072), (715, 114528), (780, 104984), (858, 95440), (880, 93054), (1040, 78738), (1056, 77545), (1144, 71580), (1193, 68640), (1248, 65615), (1320, 62036), (1430, 57264), (1560, 52492), (1716, 47720), (1760, 46527), (2080, 39369), (2145, 38176), (2288, 35790), (2386, 34320), (2640, 31018), (2860, 28632), (3120, 26246), (3432, 23860), (3579, 22880), (4290, 19088), (4576, 17895), (4772, 17160), (5280, 15509), (5720, 14316), (5965, 13728), (6240, 13123), (6864, 11930), (7158, 11440), (8580, 9544)]