128980320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1717

約数の個数: 192

約数和(自身を含む): 484807680

約数和(自身を除く): 355827360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1669, 1680, 1840, 1932, 2208, 2415, 2576, 2760, 3220, 3338, 3360, 3680, 3864, 4830, 5007, 5152, 5520, 6440, 6676, 7728, 8345, 9660, 10014, 11040, 11683, 12880, 13352, 15456, 16690, 19320, 20028, 23366, 25035, 25760, 26704, 33380, 35049, 38387, 38640, 40056, 46732, 50070, 53408, 58415, 66760, 70098, 76774, 77280, 80112, 93464, 100140, 115161, 116830, 133520, 140196, 153548, 160224, 175245, 186928, 191935, 200280, 230322, 233660, 267040, 268709, 280392, 307096, 350490, 373856, 383870, 400560, 460644, 467320, 537418, 560784, 575805, 614192, 700980, 767740, 801120, 806127, 921288, 934640, 1074836, 1121568, 1151610, 1228384, 1343545, 1401960, 1535480, 1612254, 1842576, 1869280, 2149672, 2303220, 2687090, 2803920, 3070960, 3224508, 3685152, 4030635, 4299344, 4606440, 5374180, 5607840, 6141920, 6449016, 8061270, 8598688, 9212880, 10748360, 12898032, 16122540, 18425760, 21496720, 25796064, 32245080, 42993440, 64490160, 128980320]

約数ペア:

[(1, 128980320), (2, 64490160), (3, 42993440), (4, 32245080), (5, 25796064), (6, 21496720), (7, 18425760), (8, 16122540), (10, 12898032), (12, 10748360), (14, 9212880), (15, 8598688), (16, 8061270), (20, 6449016), (21, 6141920), (23, 5607840), (24, 5374180), (28, 4606440), (30, 4299344), (32, 4030635), (35, 3685152), (40, 3224508), (42, 3070960), (46, 2803920), (48, 2687090), (56, 2303220), (60, 2149672), (69, 1869280), (70, 1842576), (80, 1612254), (84, 1535480), (92, 1401960), (96, 1343545), (105, 1228384), (112, 1151610), (115, 1121568), (120, 1074836), (138, 934640), (140, 921288), (160, 806127), (161, 801120), (168, 767740), (184, 700980), (210, 614192), (224, 575805), (230, 560784), (240, 537418), (276, 467320), (280, 460644), (322, 400560), (336, 383870), (345, 373856), (368, 350490), (420, 307096), (460, 280392), (480, 268709), (483, 267040), (552, 233660), (560, 230322), (644, 200280), (672, 191935), (690, 186928), (736, 175245), (805, 160224), (840, 153548), (920, 140196), (966, 133520), (1104, 116830), (1120, 115161), (1288, 100140), (1380, 93464), (1610, 80112), (1669, 77280), (1680, 76774), (1840, 70098), (1932, 66760), (2208, 58415), (2415, 53408), (2576, 50070), (2760, 46732), (3220, 40056), (3338, 38640), (3360, 38387), (3680, 35049), (3864, 33380), (4830, 26704), (5007, 25760), (5152, 25035), (5520, 23366), (6440, 20028), (6676, 19320), (7728, 16690), (8345, 15456), (9660, 13352), (10014, 12880), (11040, 11683)]