279494880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:649

約数の個数: 192

約数和(自身を含む): 1013741568

約数和(自身を除く): 734246688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 193, 210, 224, 240, 280, 336, 386, 420, 431, 480, 560, 579, 672, 772, 840, 862, 965, 1120, 1158, 1293, 1351, 1544, 1680, 1724, 1930, 2155, 2316, 2586, 2702, 2895, 3017, 3088, 3360, 3448, 3860, 4053, 4310, 4632, 5172, 5404, 5790, 6034, 6176, 6465, 6755, 6896, 7720, 8106, 8620, 9051, 9264, 10344, 10808, 11580, 12068, 12930, 13510, 13792, 15085, 15440, 16212, 17240, 18102, 18528, 20265, 20688, 21616, 23160, 24136, 25860, 27020, 30170, 30880, 32424, 34480, 36204, 40530, 41376, 43232, 45255, 46320, 48272, 51720, 54040, 60340, 64848, 68960, 72408, 81060, 83183, 90510, 92640, 96544, 103440, 108080, 120680, 129696, 144816, 162120, 166366, 181020, 206880, 216160, 241360, 249549, 289632, 324240, 332732, 362040, 415915, 482720, 499098, 582281, 648480, 665464, 724080, 831830, 998196, 1164562, 1247745, 1330928, 1448160, 1663660, 1746843, 1996392, 2329124, 2495490, 2661856, 2911405, 3327320, 3493686, 3992784, 4658248, 4990980, 5822810, 6654640, 6987372, 7985568, 8734215, 9316496, 9981960, 11645620, 13309280, 13974744, 17468430, 18632992, 19963920, 23291240, 27949488, 34936860, 39927840, 46582480, 55898976, 69873720, 93164960, 139747440, 279494880]

約数ペア:

[(1, 279494880), (2, 139747440), (3, 93164960), (4, 69873720), (5, 55898976), (6, 46582480), (7, 39927840), (8, 34936860), (10, 27949488), (12, 23291240), (14, 19963920), (15, 18632992), (16, 17468430), (20, 13974744), (21, 13309280), (24, 11645620), (28, 9981960), (30, 9316496), (32, 8734215), (35, 7985568), (40, 6987372), (42, 6654640), (48, 5822810), (56, 4990980), (60, 4658248), (70, 3992784), (80, 3493686), (84, 3327320), (96, 2911405), (105, 2661856), (112, 2495490), (120, 2329124), (140, 1996392), (160, 1746843), (168, 1663660), (193, 1448160), (210, 1330928), (224, 1247745), (240, 1164562), (280, 998196), (336, 831830), (386, 724080), (420, 665464), (431, 648480), (480, 582281), (560, 499098), (579, 482720), (672, 415915), (772, 362040), (840, 332732), (862, 324240), (965, 289632), (1120, 249549), (1158, 241360), (1293, 216160), (1351, 206880), (1544, 181020), (1680, 166366), (1724, 162120), (1930, 144816), (2155, 129696), (2316, 120680), (2586, 108080), (2702, 103440), (2895, 96544), (3017, 92640), (3088, 90510), (3360, 83183), (3448, 81060), (3860, 72408), (4053, 68960), (4310, 64848), (4632, 60340), (5172, 54040), (5404, 51720), (5790, 48272), (6034, 46320), (6176, 45255), (6465, 43232), (6755, 41376), (6896, 40530), (7720, 36204), (8106, 34480), (8620, 32424), (9051, 30880), (9264, 30170), (10344, 27020), (10808, 25860), (11580, 24136), (12068, 23160), (12930, 21616), (13510, 20688), (13792, 20265), (15085, 18528), (15440, 18102), (16212, 17240)]