18548880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 67162368

約数和(自身を除く): 48613488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 181, 183, 210, 240, 244, 280, 305, 336, 362, 366, 420, 427, 488, 543, 560, 610, 724, 732, 840, 854, 905, 915, 976, 1086, 1220, 1267, 1281, 1448, 1464, 1680, 1708, 1810, 1830, 2135, 2172, 2440, 2534, 2562, 2715, 2896, 2928, 3416, 3620, 3660, 3801, 4270, 4344, 4880, 5068, 5124, 5430, 6335, 6405, 6832, 7240, 7320, 7602, 8540, 8688, 10136, 10248, 10860, 11041, 12670, 12810, 14480, 14640, 15204, 17080, 19005, 20272, 20496, 21720, 22082, 25340, 25620, 30408, 33123, 34160, 38010, 43440, 44164, 50680, 51240, 55205, 60816, 66246, 76020, 77287, 88328, 101360, 102480, 110410, 132492, 152040, 154574, 165615, 176656, 220820, 231861, 264984, 304080, 309148, 331230, 386435, 441640, 463722, 529968, 618296, 662460, 772870, 883280, 927444, 1159305, 1236592, 1324920, 1545740, 1854888, 2318610, 2649840, 3091480, 3709776, 4637220, 6182960, 9274440, 18548880]

約数ペア:

[(1, 18548880), (2, 9274440), (3, 6182960), (4, 4637220), (5, 3709776), (6, 3091480), (7, 2649840), (8, 2318610), (10, 1854888), (12, 1545740), (14, 1324920), (15, 1236592), (16, 1159305), (20, 927444), (21, 883280), (24, 772870), (28, 662460), (30, 618296), (35, 529968), (40, 463722), (42, 441640), (48, 386435), (56, 331230), (60, 309148), (61, 304080), (70, 264984), (80, 231861), (84, 220820), (105, 176656), (112, 165615), (120, 154574), (122, 152040), (140, 132492), (168, 110410), (181, 102480), (183, 101360), (210, 88328), (240, 77287), (244, 76020), (280, 66246), (305, 60816), (336, 55205), (362, 51240), (366, 50680), (420, 44164), (427, 43440), (488, 38010), (543, 34160), (560, 33123), (610, 30408), (724, 25620), (732, 25340), (840, 22082), (854, 21720), (905, 20496), (915, 20272), (976, 19005), (1086, 17080), (1220, 15204), (1267, 14640), (1281, 14480), (1448, 12810), (1464, 12670), (1680, 11041), (1708, 10860), (1810, 10248), (1830, 10136), (2135, 8688), (2172, 8540), (2440, 7602), (2534, 7320), (2562, 7240), (2715, 6832), (2896, 6405), (2928, 6335), (3416, 5430), (3620, 5124), (3660, 5068), (3801, 4880), (4270, 4344)]