81473280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{433}}^1$

素因数の和:471

約数の個数: 216

約数和(自身を含む): 303386832

約数和(自身を除く): 221913552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 433, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 866, 896, 960, 980, 1120, 1176, 1280, 1299, 1344, 1470, 1568, 1680, 1732, 1792, 1920, 1960, 2165, 2240, 2352, 2598, 2688, 2940, 3031, 3136, 3360, 3464, 3840, 3920, 4330, 4480, 4704, 5196, 5376, 5880, 6062, 6272, 6495, 6720, 6928, 7840, 8660, 8960, 9093, 9408, 10392, 11760, 12124, 12544, 12990, 13440, 13856, 15155, 15680, 17320, 18186, 18816, 20784, 21217, 23520, 24248, 25980, 26880, 27712, 30310, 31360, 34640, 36372, 37632, 41568, 42434, 45465, 47040, 48496, 51960, 55424, 60620, 62720, 63651, 69280, 72744, 83136, 84868, 90930, 94080, 96992, 103920, 106085, 110848, 121240, 127302, 138560, 145488, 166272, 169736, 181860, 188160, 193984, 207840, 212170, 242480, 254604, 277120, 290976, 318255, 332544, 339472, 363720, 387968, 415680, 424340, 484960, 509208, 554240, 581952, 636510, 678944, 727440, 775936, 831360, 848680, 969920, 1018416, 1163904, 1273020, 1357888, 1454880, 1662720, 1697360, 1939840, 2036832, 2327808, 2546040, 2715776, 2909760, 3394720, 3879680, 4073664, 5092080, 5431552, 5819520, 6789440, 8147328, 10184160, 11639040, 13578880, 16294656, 20368320, 27157760, 40736640, 81473280]

約数ペア:

[(1, 81473280), (2, 40736640), (3, 27157760), (4, 20368320), (5, 16294656), (6, 13578880), (7, 11639040), (8, 10184160), (10, 8147328), (12, 6789440), (14, 5819520), (15, 5431552), (16, 5092080), (20, 4073664), (21, 3879680), (24, 3394720), (28, 2909760), (30, 2715776), (32, 2546040), (35, 2327808), (40, 2036832), (42, 1939840), (48, 1697360), (49, 1662720), (56, 1454880), (60, 1357888), (64, 1273020), (70, 1163904), (80, 1018416), (84, 969920), (96, 848680), (98, 831360), (105, 775936), (112, 727440), (120, 678944), (128, 636510), (140, 581952), (147, 554240), (160, 509208), (168, 484960), (192, 424340), (196, 415680), (210, 387968), (224, 363720), (240, 339472), (245, 332544), (256, 318255), (280, 290976), (294, 277120), (320, 254604), (336, 242480), (384, 212170), (392, 207840), (420, 193984), (433, 188160), (448, 181860), (480, 169736), (490, 166272), (560, 145488), (588, 138560), (640, 127302), (672, 121240), (735, 110848), (768, 106085), (784, 103920), (840, 96992), (866, 94080), (896, 90930), (960, 84868), (980, 83136), (1120, 72744), (1176, 69280), (1280, 63651), (1299, 62720), (1344, 60620), (1470, 55424), (1568, 51960), (1680, 48496), (1732, 47040), (1792, 45465), (1920, 42434), (1960, 41568), (2165, 37632), (2240, 36372), (2352, 34640), (2598, 31360), (2688, 30310), (2940, 27712), (3031, 26880), (3136, 25980), (3360, 24248), (3464, 23520), (3840, 21217), (3920, 20784), (4330, 18816), (4480, 18186), (4704, 17320), (5196, 15680), (5376, 15155), (5880, 13856), (6062, 13440), (6272, 12990), (6495, 12544), (6720, 12124), (6928, 11760), (7840, 10392), (8660, 9408), (8960, 9093)]