18489129120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 1152

約数和(自身を含む): 84428144640

約数和(自身を除く): 65939015520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 31, 32, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 62, 63, 66, 70, 72, 77, 80, 84, 88, 90, 93, 96, 99, 105, 108, 110, 112, 120, 121, 124, 126, 132, 135, 140, 144, 154, 155, 160, 163, 165, 168, 176, 180, 186, 189, 198, 210, 216, 217, 220, 224, 231, 240, 242, 248, 252, 264, 270, 279, 280, 288, 297, 308, 310, 315, 326, 330, 336, 341, 352, 360, 363, 372, 378, 385, 396, 420, 432, 434, 440, 462, 465, 480, 484, 489, 495, 496, 504, 528, 540, 558, 560, 594, 605, 616, 620, 630, 651, 652, 660, 672, 682, 693, 720, 726, 744, 756, 770, 792, 815, 837, 840, 847, 864, 868, 880, 924, 930, 945, 968, 978, 990, 992, 1008, 1023, 1056, 1080, 1085, 1089, 1116, 1120, 1141, 1155, 1188, 1210, 1232, 1240, 1260, 1302, 1304, 1320, 1364, 1386, 1395, 1440, 1452, 1467, 1485, 1488, 1512, 1540, 1584, 1630, 1674, 1680, 1694, 1705, 1736, 1760, 1793, 1815, 1848, 1860, 1890, 1936, 1953, 1956, 1980, 2016, 2046, 2079, 2160, 2170, 2178, 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約数ペア:

[(1, 18489129120), (2, 9244564560), (3, 6163043040), (4, 4622282280), (5, 3697825824), (6, 3081521520), (7, 2641304160), (8, 2311141140), (9, 2054347680), (10, 1848912912), (11, 1680829920), (12, 1540760760), (14, 1320652080), (15, 1232608608), (16, 1155570570), (18, 1027173840), (20, 924456456), (21, 880434720), (22, 840414960), (24, 770380380), (27, 684782560), (28, 660326040), (30, 616304304), (31, 596423520), (32, 577785285), (33, 560276640), (35, 528260832), (36, 513586920), (40, 462228228), (42, 440217360), (44, 420207480), (45, 410869536), (48, 385190190), (54, 342391280), (55, 336165984), (56, 330163020), (60, 308152152), (62, 298211760), (63, 293478240), (66, 280138320), (70, 264130416), (72, 256793460), (77, 240118560), (80, 231114114), (84, 220108680), (88, 210103740), (90, 205434768), (93, 198807840), (96, 192595095), (99, 186758880), (105, 176086944), (108, 171195640), (110, 168082992), (112, 165081510), (120, 154076076), (121, 152802720), (124, 149105880), (126, 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