204080240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 626751552

約数和(自身を除く): 422671312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 97, 104, 112, 119, 130, 136, 140, 170, 182, 194, 208, 221, 238, 260, 272, 280, 289, 340, 364, 388, 442, 455, 476, 485, 520, 560, 578, 595, 679, 680, 728, 776, 884, 910, 952, 970, 1040, 1105, 1156, 1190, 1261, 1358, 1360, 1445, 1456, 1547, 1552, 1649, 1768, 1820, 1904, 1940, 2023, 2210, 2312, 2380, 2522, 2716, 2890, 3094, 3298, 3395, 3536, 3640, 3757, 3880, 4046, 4420, 4624, 4760, 5044, 5432, 5780, 6188, 6305, 6596, 6790, 7280, 7514, 7735, 7760, 8092, 8245, 8827, 8840, 9520, 10088, 10115, 10864, 11543, 11560, 12376, 12610, 13192, 13580, 15028, 15470, 16184, 16490, 17654, 17680, 18785, 20176, 20230, 21437, 23086, 23120, 24752, 25220, 26299, 26384, 27160, 28033, 30056, 30940, 32368, 32980, 35308, 37570, 40460, 42874, 44135, 46172, 50440, 52598, 54320, 56066, 57715, 60112, 61880, 65960, 70616, 75140, 80920, 85748, 88270, 92344, 100880, 105196, 107185, 112132, 115430, 123760, 131495, 131920, 140165, 141232, 150059, 150280, 161840, 171496, 176540, 184688, 196231, 210392, 214370, 224264, 230860, 262990, 280330, 300118, 300560, 342992, 353080, 364429, 392462, 420784, 428740, 448528, 461720, 525980, 560660, 600236, 706160, 728858, 750295, 784924, 857480, 923440, 981155, 1051960, 1121320, 1200472, 1457716, 1500590, 1569848, 1714960, 1822145, 1962310, 2103920, 2242640, 2400944, 2551003, 2915432, 3001180, 3139696, 3644290, 3924620, 5102006, 5830864, 6002360, 7288580, 7849240, 10204012, 12004720, 12755015, 14577160, 15698480, 20408024, 25510030, 29154320, 40816048, 51020060, 102040120, 204080240]

約数ペア:

[(1, 204080240), (2, 102040120), (4, 51020060), (5, 40816048), (7, 29154320), (8, 25510030), (10, 20408024), (13, 15698480), (14, 14577160), (16, 12755015), (17, 12004720), (20, 10204012), (26, 7849240), (28, 7288580), (34, 6002360), (35, 5830864), (40, 5102006), (52, 3924620), (56, 3644290), (65, 3139696), (68, 3001180), (70, 2915432), (80, 2551003), (85, 2400944), (91, 2242640), (97, 2103920), (104, 1962310), (112, 1822145), (119, 1714960), (130, 1569848), (136, 1500590), (140, 1457716), (170, 1200472), (182, 1121320), (194, 1051960), (208, 981155), (221, 923440), (238, 857480), (260, 784924), (272, 750295), (280, 728858), (289, 706160), (340, 600236), (364, 560660), (388, 525980), (442, 461720), (455, 448528), (476, 428740), (485, 420784), (520, 392462), (560, 364429), (578, 353080), (595, 342992), (679, 300560), (680, 300118), (728, 280330), (776, 262990), (884, 230860), (910, 224264), (952, 214370), (970, 210392), (1040, 196231), (1105, 184688), (1156, 176540), (1190, 171496), (1261, 161840), (1358, 150280), (1360, 150059), (1445, 141232), (1456, 140165), (1547, 131920), (1552, 131495), (1649, 123760), (1768, 115430), (1820, 112132), (1904, 107185), (1940, 105196), (2023, 100880), (2210, 92344), (2312, 88270), (2380, 85748), (2522, 80920), (2716, 75140), (2890, 70616), (3094, 65960), (3298, 61880), (3395, 60112), (3536, 57715), (3640, 56066), (3757, 54320), (3880, 52598), (4046, 50440), (4420, 46172), (4624, 44135), (4760, 42874), (5044, 40460), (5432, 37570), (5780, 35308), (6188, 32980), (6305, 32368), (6596, 30940), (6790, 30056), (7280, 28033), (7514, 27160), (7735, 26384), (7760, 26299), (8092, 25220), (8245, 24752), (8827, 23120), (8840, 23086), (9520, 21437), (10088, 20230), (10115, 20176), (10864, 18785), (11543, 17680), (11560, 17654), (12376, 16490), (12610, 16184), (13192, 15470), (13580, 15028)]