64921080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 231547680

約数和(自身を除く): 166626600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 98, 105, 120, 122, 140, 147, 168, 181, 183, 196, 210, 244, 245, 280, 294, 305, 362, 366, 392, 420, 427, 488, 490, 543, 588, 610, 724, 732, 735, 840, 854, 905, 915, 980, 1086, 1176, 1220, 1267, 1281, 1448, 1464, 1470, 1708, 1810, 1830, 1960, 2135, 2172, 2440, 2534, 2562, 2715, 2940, 2989, 3416, 3620, 3660, 3801, 4270, 4344, 5068, 5124, 5430, 5880, 5978, 6335, 6405, 7240, 7320, 7602, 8540, 8869, 8967, 10136, 10248, 10860, 11041, 11956, 12670, 12810, 14945, 15204, 17080, 17738, 17934, 19005, 21720, 22082, 23912, 25340, 25620, 26607, 29890, 30408, 33123, 35476, 35868, 38010, 44164, 44345, 44835, 50680, 51240, 53214, 55205, 59780, 66246, 70952, 71736, 76020, 77287, 88328, 88690, 89670, 106428, 110410, 119560, 132492, 133035, 152040, 154574, 165615, 177380, 179340, 212856, 220820, 231861, 264984, 266070, 309148, 331230, 354760, 358680, 386435, 441640, 463722, 532140, 541009, 618296, 662460, 772870, 927444, 1064280, 1082018, 1159305, 1324920, 1545740, 1623027, 1854888, 2164036, 2318610, 2705045, 3091480, 3246054, 4328072, 4637220, 5410090, 6492108, 8115135, 9274440, 10820180, 12984216, 16230270, 21640360, 32460540, 64921080]

約数ペア:

[(1, 64921080), (2, 32460540), (3, 21640360), (4, 16230270), (5, 12984216), (6, 10820180), (7, 9274440), (8, 8115135), (10, 6492108), (12, 5410090), (14, 4637220), (15, 4328072), (20, 3246054), (21, 3091480), (24, 2705045), (28, 2318610), (30, 2164036), (35, 1854888), (40, 1623027), (42, 1545740), (49, 1324920), (56, 1159305), (60, 1082018), (61, 1064280), (70, 927444), (84, 772870), (98, 662460), (105, 618296), (120, 541009), (122, 532140), (140, 463722), (147, 441640), (168, 386435), (181, 358680), (183, 354760), (196, 331230), (210, 309148), (244, 266070), (245, 264984), (280, 231861), (294, 220820), (305, 212856), (362, 179340), (366, 177380), (392, 165615), (420, 154574), (427, 152040), (488, 133035), (490, 132492), (543, 119560), (588, 110410), (610, 106428), (724, 89670), (732, 88690), (735, 88328), (840, 77287), (854, 76020), (905, 71736), (915, 70952), (980, 66246), (1086, 59780), (1176, 55205), (1220, 53214), (1267, 51240), (1281, 50680), (1448, 44835), (1464, 44345), (1470, 44164), (1708, 38010), (1810, 35868), (1830, 35476), (1960, 33123), (2135, 30408), (2172, 29890), (2440, 26607), (2534, 25620), (2562, 25340), (2715, 23912), (2940, 22082), (2989, 21720), (3416, 19005), (3620, 17934), (3660, 17738), (3801, 17080), (4270, 15204), (4344, 14945), (5068, 12810), (5124, 12670), (5430, 11956), (5880, 11041), (5978, 10860), (6335, 10248), (6405, 10136), (7240, 8967), (7320, 8869), (7602, 8540)]