81481680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 320

約数和(自身を含む): 340692480

約数和(自身を除く): 259210800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 168, 170, 180, 189, 204, 210, 216, 238, 240, 252, 255, 270, 272, 280, 306, 315, 317, 336, 340, 357, 360, 378, 408, 420, 432, 459, 476, 504, 510, 540, 560, 595, 612, 630, 634, 680, 714, 720, 756, 765, 816, 840, 918, 945, 951, 952, 1008, 1020, 1071, 1080, 1190, 1224, 1260, 1268, 1360, 1428, 1512, 1530, 1585, 1680, 1785, 1836, 1890, 1902, 1904, 2040, 2142, 2160, 2219, 2295, 2380, 2448, 2520, 2536, 2853, 2856, 3024, 3060, 3170, 3213, 3570, 3672, 3780, 3804, 4080, 4284, 4438, 4590, 4755, 4760, 5040, 5072, 5355, 5389, 5706, 5712, 6120, 6340, 6426, 6657, 7140, 7344, 7560, 7608, 8559, 8568, 8876, 9180, 9510, 9520, 10710, 10778, 11095, 11412, 12240, 12680, 12852, 13314, 14265, 14280, 15120, 15216, 16065, 16167, 17118, 17136, 17752, 18360, 19020, 19971, 21420, 21556, 22190, 22824, 25360, 25704, 26628, 26945, 28530, 28560, 32130, 32334, 33285, 34236, 35504, 36720, 37723, 38040, 39942, 42795, 42840, 43112, 44380, 45648, 48501, 51408, 53256, 53890, 57060, 59913, 64260, 64668, 66570, 68472, 75446, 76080, 79884, 80835, 85590, 85680, 86224, 88760, 97002, 99855, 106512, 107780, 113169, 114120, 119826, 128520, 129336, 133140, 136944, 145503, 150892, 159768, 161670, 171180, 177520, 188615, 194004, 199710, 215560, 226338, 228240, 239652, 242505, 257040, 258672, 266280, 291006, 299565, 301784, 319536, 323340, 339507, 342360, 377230, 388008, 399420, 431120, 452676, 479304, 485010, 532560, 565845, 582012, 599130, 603568, 646680, 679014, 684720, 727515, 754460, 776016, 798840, 905352, 958608, 970020, 1018521, 1131690, 1164024, 1198260, 1293360, 1358028, 1455030, 1508920, 1597680, 1697535, 1810704, 1940040, 2037042, 2263380, 2328048, 2396520, 2716056, 2910060, 3017840, 3395070, 3880080, 4074084, 4526760, 4793040, 5092605, 5432112, 5820120, 6790140, 8148168, 9053520, 10185210, 11640240, 13580280, 16296336, 20370420, 27160560, 40740840, 81481680]

約数ペア:

[(1, 81481680), (2, 40740840), (3, 27160560), (4, 20370420), (5, 16296336), (6, 13580280), (7, 11640240), (8, 10185210), (9, 9053520), (10, 8148168), (12, 6790140), (14, 5820120), (15, 5432112), (16, 5092605), (17, 4793040), (18, 4526760), (20, 4074084), (21, 3880080), (24, 3395070), (27, 3017840), (28, 2910060), (30, 2716056), (34, 2396520), (35, 2328048), (36, 2263380), (40, 2037042), (42, 1940040), (45, 1810704), (48, 1697535), (51, 1597680), (54, 1508920), (56, 1455030), (60, 1358028), (63, 1293360), (68, 1198260), (70, 1164024), (72, 1131690), (80, 1018521), (84, 970020), (85, 958608), (90, 905352), (102, 798840), (105, 776016), (108, 754460), (112, 727515), (119, 684720), (120, 679014), (126, 646680), (135, 603568), (136, 599130), (140, 582012), (144, 565845), (153, 532560), (168, 485010), (170, 479304), (180, 452676), (189, 431120), (204, 399420), (210, 388008), (216, 377230), (238, 342360), (240, 339507), (252, 323340), (255, 319536), (270, 301784), (272, 299565), (280, 291006), (306, 266280), (315, 258672), (317, 257040), (336, 242505), (340, 239652), (357, 228240), (360, 226338), (378, 215560), (408, 199710), (420, 194004), (432, 188615), (459, 177520), (476, 171180), (504, 161670), (510, 159768), (540, 150892), (560, 145503), (595, 136944), (612, 133140), (630, 129336), (634, 128520), (680, 119826), (714, 114120), (720, 113169), (756, 107780), (765, 106512), (816, 99855), (840, 97002), (918, 88760), (945, 86224), (951, 85680), (952, 85590), (1008, 80835), (1020, 79884), (1071, 76080), (1080, 75446), (1190, 68472), (1224, 66570), (1260, 64668), (1268, 64260), (1360, 59913), (1428, 57060), (1512, 53890), (1530, 53256), (1585, 51408), (1680, 48501), (1785, 45648), (1836, 44380), (1890, 43112), (1902, 42840), (1904, 42795), (2040, 39942), (2142, 38040), (2160, 37723), (2219, 36720), (2295, 35504), (2380, 34236), (2448, 33285), (2520, 32334), (2536, 32130), (2853, 28560), (2856, 28530), (3024, 26945), (3060, 26628), (3170, 25704), (3213, 25360), (3570, 22824), (3672, 22190), (3780, 21556), (3804, 21420), (4080, 19971), (4284, 19020), (4438, 18360), (4590, 17752), (4755, 17136), (4760, 17118), (5040, 16167), (5072, 16065), (5355, 15216), (5389, 15120), (5706, 14280), (5712, 14265), (6120, 13314), (6340, 12852), (6426, 12680), (6657, 12240), (7140, 11412), (7344, 11095), (7560, 10778), (7608, 10710), (8559, 9520), (8568, 9510), (8876, 9180)]