261540090

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:458

約数の個数: 160

約数和(自身を含む): 811261440

約数和(自身を除く): 549721350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 193, 210, 239, 270, 315, 378, 386, 405, 478, 567, 579, 630, 717, 810, 945, 965, 1134, 1158, 1195, 1351, 1434, 1673, 1737, 1890, 1930, 2151, 2390, 2702, 2835, 2895, 3346, 3474, 3585, 4053, 4302, 5019, 5211, 5670, 5790, 6453, 6755, 7170, 8106, 8365, 8685, 10038, 10422, 10755, 12159, 12906, 13510, 15057, 15633, 16730, 17370, 19359, 20265, 21510, 24318, 25095, 26055, 30114, 31266, 32265, 36477, 38718, 40530, 45171, 46127, 50190, 52110, 60795, 64530, 72954, 75285, 78165, 90342, 92254, 96795, 109431, 121590, 135513, 138381, 150570, 156330, 182385, 193590, 218862, 225855, 230635, 271026, 276762, 322889, 364770, 415143, 451710, 461270, 547155, 645778, 677565, 691905, 830286, 968667, 1094310, 1245429, 1355130, 1383810, 1614445, 1937334, 2075715, 2490858, 2906001, 3228890, 3736287, 4151430, 4843335, 5812002, 6227145, 7472574, 8718003, 9686670, 12454290, 14530005, 17436006, 18681435, 26154009, 29060010, 37362870, 43590015, 52308018, 87180030, 130770045, 261540090]

約数ペア:

[(1, 261540090), (2, 130770045), (3, 87180030), (5, 52308018), (6, 43590015), (7, 37362870), (9, 29060010), (10, 26154009), (14, 18681435), (15, 17436006), (18, 14530005), (21, 12454290), (27, 9686670), (30, 8718003), (35, 7472574), (42, 6227145), (45, 5812002), (54, 4843335), (63, 4151430), (70, 3736287), (81, 3228890), (90, 2906001), (105, 2490858), (126, 2075715), (135, 1937334), (162, 1614445), (189, 1383810), (193, 1355130), (210, 1245429), (239, 1094310), (270, 968667), (315, 830286), (378, 691905), (386, 677565), (405, 645778), (478, 547155), (567, 461270), (579, 451710), (630, 415143), (717, 364770), (810, 322889), (945, 276762), (965, 271026), (1134, 230635), (1158, 225855), (1195, 218862), (1351, 193590), (1434, 182385), (1673, 156330), (1737, 150570), (1890, 138381), (1930, 135513), (2151, 121590), (2390, 109431), (2702, 96795), (2835, 92254), (2895, 90342), (3346, 78165), (3474, 75285), (3585, 72954), (4053, 64530), (4302, 60795), (5019, 52110), (5211, 50190), (5670, 46127), (5790, 45171), (6453, 40530), (6755, 38718), (7170, 36477), (8106, 32265), (8365, 31266), (8685, 30114), (10038, 26055), (10422, 25095), (10755, 24318), (12159, 21510), (12906, 20265), (13510, 19359), (15057, 17370), (15633, 16730)]