428709120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 288

約数和(自身を含む): 1607074560

約数和(自身を除く): 1178365440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 128, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 256, 280, 287, 320, 328, 336, 384, 389, 410, 420, 448, 480, 492, 560, 574, 615, 640, 656, 672, 768, 778, 820, 840, 861, 896, 960, 984, 1120, 1148, 1167, 1230, 1280, 1312, 1344, 1435, 1556, 1640, 1680, 1722, 1792, 1920, 1945, 1968, 2240, 2296, 2334, 2460, 2624, 2688, 2723, 2870, 3112, 3280, 3360, 3444, 3840, 3890, 3936, 4305, 4480, 4592, 4668, 4920, 5248, 5376, 5446, 5740, 5835, 6224, 6560, 6720, 6888, 7780, 7872, 8169, 8610, 8960, 9184, 9336, 9840, 10496, 10892, 11480, 11670, 12448, 13120, 13440, 13615, 13776, 15560, 15744, 15949, 16338, 17220, 18368, 18672, 19680, 21784, 22960, 23340, 24896, 26240, 26880, 27230, 27552, 31120, 31488, 31898, 32676, 34440, 36736, 37344, 39360, 40845, 43568, 45920, 46680, 47847, 49792, 52480, 54460, 55104, 62240, 63796, 65352, 68880, 73472, 74688, 78720, 79745, 81690, 87136, 91840, 93360, 95694, 99584, 108920, 110208, 111643, 124480, 127592, 130704, 137760, 149376, 157440, 159490, 163380, 174272, 183680, 186720, 191388, 217840, 220416, 223286, 239235, 248960, 255184, 261408, 275520, 298752, 318980, 326760, 334929, 348544, 367360, 373440, 382776, 435680, 446572, 478470, 497920, 510368, 522816, 551040, 558215, 637960, 653520, 669858, 697088, 746880, 765552, 871360, 893144, 956940, 1020736, 1045632, 1102080, 1116430, 1275920, 1307040, 1339716, 1493760, 1531104, 1674645, 1742720, 1786288, 1913880, 2041472, 2091264, 2232860, 2551840, 2614080, 2679432, 3062208, 3349290, 3485440, 3572576, 3827760, 4082944, 4465720, 5103680, 5228160, 5358864, 6124416, 6698580, 7145152, 7655520, 8931440, 10207360, 10456320, 10717728, 12248832, 13397160, 14290304, 15311040, 17862880, 20414720, 21435456, 26794320, 28580608, 30622080, 35725760, 42870912, 53588640, 61244160, 71451520, 85741824, 107177280, 142903040, 214354560, 428709120]

約数ペア:

[(1, 428709120), (2, 214354560), (3, 142903040), (4, 107177280), (5, 85741824), (6, 71451520), (7, 61244160), (8, 53588640), (10, 42870912), (12, 35725760), (14, 30622080), (15, 28580608), (16, 26794320), (20, 21435456), (21, 20414720), (24, 17862880), (28, 15311040), (30, 14290304), (32, 13397160), (35, 12248832), (40, 10717728), (41, 10456320), (42, 10207360), (48, 8931440), (56, 7655520), (60, 7145152), (64, 6698580), (70, 6124416), (80, 5358864), (82, 5228160), (84, 5103680), (96, 4465720), (105, 4082944), (112, 3827760), (120, 3572576), (123, 3485440), (128, 3349290), (140, 3062208), (160, 2679432), (164, 2614080), (168, 2551840), (192, 2232860), (205, 2091264), (210, 2041472), (224, 1913880), (240, 1786288), (246, 1742720), (256, 1674645), (280, 1531104), (287, 1493760), (320, 1339716), (328, 1307040), (336, 1275920), (384, 1116430), (389, 1102080), (410, 1045632), (420, 1020736), (448, 956940), (480, 893144), (492, 871360), (560, 765552), (574, 746880), (615, 697088), (640, 669858), (656, 653520), (672, 637960), (768, 558215), (778, 551040), (820, 522816), (840, 510368), (861, 497920), (896, 478470), (960, 446572), (984, 435680), (1120, 382776), (1148, 373440), (1167, 367360), (1230, 348544), (1280, 334929), (1312, 326760), (1344, 318980), (1435, 298752), (1556, 275520), (1640, 261408), (1680, 255184), (1722, 248960), (1792, 239235), (1920, 223286), (1945, 220416), (1968, 217840), (2240, 191388), (2296, 186720), (2334, 183680), (2460, 174272), (2624, 163380), (2688, 159490), (2723, 157440), (2870, 149376), (3112, 137760), (3280, 130704), (3360, 127592), (3444, 124480), (3840, 111643), (3890, 110208), (3936, 108920), (4305, 99584), (4480, 95694), (4592, 93360), (4668, 91840), (4920, 87136), (5248, 81690), (5376, 79745), (5446, 78720), (5740, 74688), (5835, 73472), (6224, 68880), (6560, 65352), (6720, 63796), (6888, 62240), (7780, 55104), (7872, 54460), (8169, 52480), (8610, 49792), (8960, 47847), (9184, 46680), (9336, 45920), (9840, 43568), (10496, 40845), (10892, 39360), (11480, 37344), (11670, 36736), (12448, 34440), (13120, 32676), (13440, 31898), (13615, 31488), (13776, 31120), (15560, 27552), (15744, 27230), (15949, 26880), (16338, 26240), (17220, 24896), (18368, 23340), (18672, 22960), (19680, 21784)]