256283160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 256

約数和(自身を含む): 944317440

約数和(自身を除く): 688034280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 131, 136, 137, 140, 168, 170, 204, 210, 238, 255, 262, 274, 280, 340, 357, 393, 408, 411, 420, 476, 510, 524, 548, 595, 655, 680, 685, 714, 786, 822, 840, 917, 952, 959, 1020, 1048, 1096, 1190, 1310, 1370, 1428, 1572, 1644, 1785, 1834, 1918, 1965, 2040, 2055, 2227, 2329, 2380, 2620, 2740, 2751, 2856, 2877, 3144, 3288, 3570, 3668, 3836, 3930, 4110, 4454, 4585, 4658, 4760, 4795, 5240, 5480, 5502, 5754, 6681, 6987, 7140, 7336, 7672, 7860, 8220, 8908, 9170, 9316, 9590, 11004, 11135, 11508, 11645, 13362, 13755, 13974, 14280, 14385, 15589, 15720, 16303, 16440, 17816, 17947, 18340, 18632, 19180, 22008, 22270, 23016, 23290, 26724, 27510, 27948, 28770, 31178, 32606, 33405, 34935, 35894, 36680, 38360, 44540, 46580, 46767, 48909, 53448, 53841, 55020, 55896, 57540, 62356, 65212, 66810, 69870, 71788, 77945, 81515, 89080, 89735, 93160, 93534, 97818, 107682, 110040, 115080, 124712, 125629, 130424, 133620, 139740, 143576, 155890, 163030, 179470, 187068, 195636, 215364, 233835, 244545, 251258, 267240, 269205, 279480, 305099, 311780, 326060, 358940, 374136, 376887, 391272, 430728, 467670, 489090, 502516, 538410, 610198, 623560, 628145, 652120, 717880, 753774, 915297, 935340, 978180, 1005032, 1076820, 1220396, 1256290, 1507548, 1525495, 1830594, 1870680, 1884435, 1956360, 2135693, 2153640, 2440792, 2512580, 3015096, 3050990, 3661188, 3768870, 4271386, 4576485, 5025160, 6101980, 6407079, 7322376, 7537740, 8542772, 9152970, 10678465, 12203960, 12814158, 15075480, 17085544, 18305940, 21356930, 25628316, 32035395, 36611880, 42713860, 51256632, 64070790, 85427720, 128141580, 256283160]

約数ペア:

[(1, 256283160), (2, 128141580), (3, 85427720), (4, 64070790), (5, 51256632), (6, 42713860), (7, 36611880), (8, 32035395), (10, 25628316), (12, 21356930), (14, 18305940), (15, 17085544), (17, 15075480), (20, 12814158), (21, 12203960), (24, 10678465), (28, 9152970), (30, 8542772), (34, 7537740), (35, 7322376), (40, 6407079), (42, 6101980), (51, 5025160), (56, 4576485), (60, 4271386), (68, 3768870), (70, 3661188), (84, 3050990), (85, 3015096), (102, 2512580), (105, 2440792), (119, 2153640), (120, 2135693), (131, 1956360), (136, 1884435), (137, 1870680), (140, 1830594), (168, 1525495), (170, 1507548), (204, 1256290), (210, 1220396), (238, 1076820), (255, 1005032), (262, 978180), (274, 935340), (280, 915297), (340, 753774), (357, 717880), (393, 652120), (408, 628145), (411, 623560), (420, 610198), (476, 538410), (510, 502516), (524, 489090), (548, 467670), (595, 430728), (655, 391272), (680, 376887), (685, 374136), (714, 358940), (786, 326060), (822, 311780), (840, 305099), (917, 279480), (952, 269205), (959, 267240), (1020, 251258), (1048, 244545), (1096, 233835), (1190, 215364), (1310, 195636), (1370, 187068), (1428, 179470), (1572, 163030), (1644, 155890), (1785, 143576), (1834, 139740), (1918, 133620), (1965, 130424), (2040, 125629), (2055, 124712), (2227, 115080), (2329, 110040), (2380, 107682), (2620, 97818), (2740, 93534), (2751, 93160), (2856, 89735), (2877, 89080), (3144, 81515), (3288, 77945), (3570, 71788), (3668, 69870), (3836, 66810), (3930, 65212), (4110, 62356), (4454, 57540), (4585, 55896), (4658, 55020), (4760, 53841), (4795, 53448), (5240, 48909), (5480, 46767), (5502, 46580), (5754, 44540), (6681, 38360), (6987, 36680), (7140, 35894), (7336, 34935), (7672, 33405), (7860, 32606), (8220, 31178), (8908, 28770), (9170, 27948), (9316, 27510), (9590, 26724), (11004, 23290), (11135, 23016), (11508, 22270), (11645, 22008), (13362, 19180), (13755, 18632), (13974, 18340), (14280, 17947), (14385, 17816), (15589, 16440), (15720, 16303)]