261537120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4657}}^1$

素因数の和:4694

約数の個数: 192

約数和(自身を含む): 986005440

約数和(自身を除く): 724468320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4657, 4680, 5616, 6240, 7020, 9314, 9360, 11232, 13971, 14040, 18628, 18720, 23285, 27942, 28080, 37256, 41913, 46570, 55884, 56160, 60541, 69855, 74512, 83826, 93140, 111768, 121082, 125739, 139710, 149024, 167652, 181623, 186280, 209565, 223536, 242164, 251478, 279420, 302705, 335304, 363246, 372560, 419130, 447072, 484328, 502956, 544869, 558840, 605410, 628695, 670608, 726492, 745120, 838260, 908115, 968656, 1005912, 1089738, 1117680, 1210820, 1257390, 1341216, 1452984, 1634607, 1676520, 1816230, 1937312, 2011824, 2179476, 2235360, 2421640, 2514780, 2724345, 2905968, 3269214, 3353040, 3632460, 4023648, 4358952, 4843280, 5029560, 5448690, 5811936, 6538428, 6706080, 7264920, 8173035, 8717904, 9686560, 10059120, 10897380, 13076856, 14529840, 16346070, 17435808, 20118240, 21794760, 26153712, 29059680, 32692140, 43589520, 52307424, 65384280, 87179040, 130768560, 261537120]

約数ペア:

[(1, 261537120), (2, 130768560), (3, 87179040), (4, 65384280), (5, 52307424), (6, 43589520), (8, 32692140), (9, 29059680), (10, 26153712), (12, 21794760), (13, 20118240), (15, 17435808), (16, 16346070), (18, 14529840), (20, 13076856), (24, 10897380), (26, 10059120), (27, 9686560), (30, 8717904), (32, 8173035), (36, 7264920), (39, 6706080), (40, 6538428), (45, 5811936), (48, 5448690), (52, 5029560), (54, 4843280), (60, 4358952), (65, 4023648), (72, 3632460), (78, 3353040), (80, 3269214), (90, 2905968), (96, 2724345), (104, 2514780), (108, 2421640), (117, 2235360), (120, 2179476), (130, 2011824), (135, 1937312), (144, 1816230), (156, 1676520), (160, 1634607), (180, 1452984), (195, 1341216), (208, 1257390), (216, 1210820), (234, 1117680), (240, 1089738), (260, 1005912), (270, 968656), (288, 908115), (312, 838260), (351, 745120), (360, 726492), (390, 670608), (416, 628695), (432, 605410), (468, 558840), (480, 544869), (520, 502956), (540, 484328), (585, 447072), (624, 419130), (702, 372560), (720, 363246), (780, 335304), (864, 302705), (936, 279420), (1040, 251478), (1080, 242164), (1170, 223536), (1248, 209565), (1404, 186280), (1440, 181623), (1560, 167652), (1755, 149024), (1872, 139710), (2080, 125739), (2160, 121082), (2340, 111768), (2808, 93140), (3120, 83826), (3510, 74512), (3744, 69855), (4320, 60541), (4657, 56160), (4680, 55884), (5616, 46570), (6240, 41913), (7020, 37256), (9314, 28080), (9360, 27942), (11232, 23285), (13971, 18720), (14040, 18628)]