80210760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 256

約数和(自身を含む): 300464640

約数和(自身を除く): 220253880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 41, 42, 51, 56, 60, 68, 70, 82, 84, 85, 102, 105, 119, 120, 123, 136, 137, 140, 164, 168, 170, 204, 205, 210, 238, 246, 255, 274, 280, 287, 328, 340, 357, 408, 410, 411, 420, 476, 492, 510, 548, 574, 595, 615, 680, 685, 697, 714, 820, 822, 840, 861, 952, 959, 984, 1020, 1096, 1148, 1190, 1230, 1370, 1394, 1428, 1435, 1640, 1644, 1722, 1785, 1918, 2040, 2055, 2091, 2296, 2329, 2380, 2460, 2740, 2788, 2856, 2870, 2877, 3288, 3444, 3485, 3570, 3836, 4110, 4182, 4305, 4658, 4760, 4795, 4879, 4920, 5480, 5576, 5617, 5740, 5754, 6888, 6970, 6987, 7140, 7672, 8220, 8364, 8610, 9316, 9590, 9758, 10455, 11234, 11480, 11508, 11645, 13940, 13974, 14280, 14385, 14637, 16303, 16440, 16728, 16851, 17220, 18632, 19180, 19516, 20910, 22468, 23016, 23290, 24395, 27880, 27948, 28085, 28770, 29274, 32606, 33702, 34440, 34935, 38360, 39032, 39319, 41820, 44936, 46580, 48790, 48909, 55896, 56170, 57540, 58548, 65212, 67404, 69870, 73185, 78638, 81515, 83640, 84255, 93160, 95489, 97580, 97818, 112340, 115080, 117096, 117957, 130424, 134808, 139740, 146370, 157276, 163030, 168510, 190978, 195160, 195636, 196595, 224680, 235914, 244545, 279480, 286467, 292740, 314552, 326060, 337020, 381956, 391272, 393190, 471828, 477445, 489090, 572934, 585480, 589785, 652120, 668423, 674040, 763912, 786380, 943656, 954890, 978180, 1145868, 1179570, 1336846, 1432335, 1572760, 1909780, 1956360, 2005269, 2291736, 2359140, 2673692, 2864670, 3342115, 3819560, 4010538, 4718280, 5347384, 5729340, 6684230, 8021076, 10026345, 11458680, 13368460, 16042152, 20052690, 26736920, 40105380, 80210760]

約数ペア:

[(1, 80210760), (2, 40105380), (3, 26736920), (4, 20052690), (5, 16042152), (6, 13368460), (7, 11458680), (8, 10026345), (10, 8021076), (12, 6684230), (14, 5729340), (15, 5347384), (17, 4718280), (20, 4010538), (21, 3819560), (24, 3342115), (28, 2864670), (30, 2673692), (34, 2359140), (35, 2291736), (40, 2005269), (41, 1956360), (42, 1909780), (51, 1572760), (56, 1432335), (60, 1336846), (68, 1179570), (70, 1145868), (82, 978180), (84, 954890), (85, 943656), (102, 786380), (105, 763912), (119, 674040), (120, 668423), (123, 652120), (136, 589785), (137, 585480), (140, 572934), (164, 489090), (168, 477445), (170, 471828), (204, 393190), (205, 391272), (210, 381956), (238, 337020), (246, 326060), (255, 314552), (274, 292740), (280, 286467), (287, 279480), (328, 244545), (340, 235914), (357, 224680), (408, 196595), (410, 195636), (411, 195160), (420, 190978), (476, 168510), (492, 163030), (510, 157276), (548, 146370), (574, 139740), (595, 134808), (615, 130424), (680, 117957), (685, 117096), (697, 115080), (714, 112340), (820, 97818), (822, 97580), (840, 95489), (861, 93160), (952, 84255), (959, 83640), (984, 81515), (1020, 78638), (1096, 73185), (1148, 69870), (1190, 67404), (1230, 65212), (1370, 58548), (1394, 57540), (1428, 56170), (1435, 55896), (1640, 48909), (1644, 48790), (1722, 46580), (1785, 44936), (1918, 41820), (2040, 39319), (2055, 39032), (2091, 38360), (2296, 34935), (2329, 34440), (2380, 33702), (2460, 32606), (2740, 29274), (2788, 28770), (2856, 28085), (2870, 27948), (2877, 27880), (3288, 24395), (3444, 23290), (3485, 23016), (3570, 22468), (3836, 20910), (4110, 19516), (4182, 19180), (4305, 18632), (4658, 17220), (4760, 16851), (4795, 16728), (4879, 16440), (4920, 16303), (5480, 14637), (5576, 14385), (5617, 14280), (5740, 13974), (5754, 13940), (6888, 11645), (6970, 11508), (6987, 11480), (7140, 11234), (7672, 10455), (8220, 9758), (8364, 9590), (8610, 9316)]