318798720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1018

約数の個数: 256

約数和(自身を含む): 1189728000

約数和(自身を除く): 870929280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 971, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 1942, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 2913, 3040, 3420, 3456, 3648, 3884, 4104, 4320, 4560, 4855, 5130, 5472, 5760, 5826, 6080, 6840, 7296, 7768, 8208, 8640, 8739, 9120, 9710, 10260, 10944, 11652, 12160, 13680, 14565, 15536, 16416, 17280, 17478, 18240, 18449, 19420, 20520, 21888, 23304, 26217, 27360, 29130, 31072, 32832, 34956, 36480, 36898, 38840, 41040, 43695, 46608, 52434, 54720, 55347, 58260, 62144, 65664, 69912, 73796, 77680, 82080, 87390, 92245, 93216, 104868, 109440, 110694, 116520, 124288, 131085, 139824, 147592, 155360, 164160, 166041, 174780, 184490, 186432, 209736, 221388, 233040, 262170, 276735, 279648, 295184, 310720, 328320, 332082, 349560, 368980, 372864, 419472, 442776, 466080, 498123, 524340, 553470, 559296, 590368, 621440, 664164, 699120, 737960, 830205, 838944, 885552, 932160, 996246, 1048680, 1106940, 1118592, 1180736, 1328328, 1398240, 1475920, 1660410, 1677888, 1771104, 1864320, 1992492, 2097360, 2213880, 2361472, 2490615, 2656656, 2796480, 2951840, 3320820, 3355776, 3542208, 3984984, 4194720, 4427760, 4981230, 5313312, 5592960, 5903680, 6641640, 7084416, 7969968, 8389440, 8855520, 9962460, 10626624, 11807360, 13283280, 15939936, 16778880, 17711040, 19924920, 21253248, 26566560, 31879872, 35422080, 39849840, 53133120, 63759744, 79699680, 106266240, 159399360, 318798720]

約数ペア:

[(1, 318798720), (2, 159399360), (3, 106266240), (4, 79699680), (5, 63759744), (6, 53133120), (8, 39849840), (9, 35422080), (10, 31879872), (12, 26566560), (15, 21253248), (16, 19924920), (18, 17711040), (19, 16778880), (20, 15939936), (24, 13283280), (27, 11807360), (30, 10626624), (32, 9962460), (36, 8855520), (38, 8389440), (40, 7969968), (45, 7084416), (48, 6641640), (54, 5903680), (57, 5592960), (60, 5313312), (64, 4981230), (72, 4427760), (76, 4194720), (80, 3984984), (90, 3542208), (95, 3355776), (96, 3320820), (108, 2951840), (114, 2796480), (120, 2656656), (128, 2490615), (135, 2361472), (144, 2213880), (152, 2097360), (160, 1992492), (171, 1864320), (180, 1771104), (190, 1677888), (192, 1660410), (216, 1475920), (228, 1398240), (240, 1328328), (270, 1180736), (285, 1118592), (288, 1106940), (304, 1048680), (320, 996246), (342, 932160), (360, 885552), (380, 838944), (384, 830205), (432, 737960), (456, 699120), (480, 664164), (513, 621440), (540, 590368), (570, 559296), (576, 553470), (608, 524340), (640, 498123), (684, 466080), (720, 442776), (760, 419472), (855, 372864), (864, 368980), (912, 349560), (960, 332082), (971, 328320), (1026, 310720), (1080, 295184), (1140, 279648), (1152, 276735), (1216, 262170), (1368, 233040), (1440, 221388), (1520, 209736), (1710, 186432), (1728, 184490), (1824, 174780), (1920, 166041), (1942, 164160), (2052, 155360), (2160, 147592), (2280, 139824), (2432, 131085), (2565, 124288), (2736, 116520), (2880, 110694), (2913, 109440), (3040, 104868), (3420, 93216), (3456, 92245), (3648, 87390), (3884, 82080), (4104, 77680), (4320, 73796), (4560, 69912), (4855, 65664), (5130, 62144), (5472, 58260), (5760, 55347), (5826, 54720), (6080, 52434), (6840, 46608), (7296, 43695), (7768, 41040), (8208, 38840), (8640, 36898), (8739, 36480), (9120, 34956), (9710, 32832), (10260, 31072), (10944, 29130), (11652, 27360), (12160, 26217), (13680, 23304), (14565, 21888), (15536, 20520), (16416, 19420), (17280, 18449), (17478, 18240)]