80749760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 224

約数和(自身を含む): 245790720

約数和(自身を除く): 165040960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 47, 52, 56, 59, 64, 65, 70, 80, 91, 94, 104, 112, 118, 130, 140, 160, 182, 188, 208, 224, 235, 236, 260, 280, 295, 320, 329, 364, 376, 413, 416, 448, 455, 470, 472, 520, 560, 590, 611, 658, 728, 752, 767, 826, 832, 910, 940, 944, 1040, 1120, 1180, 1222, 1316, 1456, 1504, 1534, 1645, 1652, 1820, 1880, 1888, 2065, 2080, 2240, 2360, 2444, 2632, 2773, 2912, 3008, 3055, 3068, 3290, 3304, 3640, 3760, 3776, 3835, 4130, 4160, 4277, 4720, 4888, 5264, 5369, 5546, 5824, 6110, 6136, 6580, 6608, 7280, 7520, 7670, 8260, 8554, 9440, 9776, 10528, 10738, 11092, 12220, 12272, 13160, 13216, 13865, 14560, 15040, 15340, 16520, 17108, 18880, 19411, 19552, 21056, 21385, 21476, 22184, 24440, 24544, 26320, 26432, 26845, 27730, 29120, 30680, 33040, 34216, 36049, 38822, 39104, 42770, 42952, 44368, 48880, 49088, 52640, 53690, 55460, 61360, 66080, 68432, 72098, 77644, 85540, 85904, 88736, 97055, 97760, 105280, 107380, 110920, 122720, 132160, 136864, 144196, 155288, 171080, 171808, 177472, 180245, 194110, 195520, 214760, 221840, 245440, 252343, 273728, 288392, 310576, 342160, 343616, 360490, 388220, 429520, 443680, 504686, 576784, 621152, 684320, 720980, 776440, 859040, 887360, 1009372, 1153568, 1242304, 1261715, 1368640, 1441960, 1552880, 1718080, 2018744, 2307136, 2523430, 2883920, 3105760, 4037488, 5046860, 5767840, 6211520, 8074976, 10093720, 11535680, 16149952, 20187440, 40374880, 80749760]

約数ペア:

[(1, 80749760), (2, 40374880), (4, 20187440), (5, 16149952), (7, 11535680), (8, 10093720), (10, 8074976), (13, 6211520), (14, 5767840), (16, 5046860), (20, 4037488), (26, 3105760), (28, 2883920), (32, 2523430), (35, 2307136), (40, 2018744), (47, 1718080), (52, 1552880), (56, 1441960), (59, 1368640), (64, 1261715), (65, 1242304), (70, 1153568), (80, 1009372), (91, 887360), (94, 859040), (104, 776440), (112, 720980), (118, 684320), (130, 621152), (140, 576784), (160, 504686), (182, 443680), (188, 429520), (208, 388220), (224, 360490), (235, 343616), (236, 342160), (260, 310576), (280, 288392), (295, 273728), (320, 252343), (329, 245440), (364, 221840), (376, 214760), (413, 195520), (416, 194110), (448, 180245), (455, 177472), (470, 171808), (472, 171080), (520, 155288), (560, 144196), (590, 136864), (611, 132160), (658, 122720), (728, 110920), (752, 107380), (767, 105280), (826, 97760), (832, 97055), (910, 88736), (940, 85904), (944, 85540), (1040, 77644), (1120, 72098), (1180, 68432), (1222, 66080), (1316, 61360), (1456, 55460), (1504, 53690), (1534, 52640), (1645, 49088), (1652, 48880), (1820, 44368), (1880, 42952), (1888, 42770), (2065, 39104), (2080, 38822), (2240, 36049), (2360, 34216), (2444, 33040), (2632, 30680), (2773, 29120), (2912, 27730), (3008, 26845), (3055, 26432), (3068, 26320), (3290, 24544), (3304, 24440), (3640, 22184), (3760, 21476), (3776, 21385), (3835, 21056), (4130, 19552), (4160, 19411), (4277, 18880), (4720, 17108), (4888, 16520), (5264, 15340), (5369, 15040), (5546, 14560), (5824, 13865), (6110, 13216), (6136, 13160), (6580, 12272), (6608, 12220), (7280, 11092), (7520, 10738), (7670, 10528), (8260, 9776), (8554, 9440)]