1281362880

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4057}}^1$

素因数の和:4131

約数の個数: 224

約数和(自身を含む): 4749613056

約数和(自身を除く): 3468250176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 140, 141, 160, 168, 188, 192, 210, 224, 235, 240, 280, 282, 320, 329, 336, 376, 420, 448, 470, 480, 560, 564, 658, 672, 705, 752, 840, 940, 960, 987, 1120, 1128, 1316, 1344, 1410, 1504, 1645, 1680, 1880, 1974, 2240, 2256, 2632, 2820, 3008, 3290, 3360, 3760, 3948, 4057, 4512, 4935, 5264, 5640, 6580, 6720, 7520, 7896, 8114, 9024, 9870, 10528, 11280, 12171, 13160, 15040, 15792, 16228, 19740, 20285, 21056, 22560, 24342, 26320, 28399, 31584, 32456, 39480, 40570, 45120, 48684, 52640, 56798, 60855, 63168, 64912, 78960, 81140, 85197, 97368, 105280, 113596, 121710, 129824, 141995, 157920, 162280, 170394, 190679, 194736, 227192, 243420, 259648, 283990, 315840, 324560, 340788, 381358, 389472, 425985, 454384, 486840, 567980, 572037, 649120, 681576, 762716, 778944, 851970, 908768, 953395, 973680, 1135960, 1144074, 1298240, 1334753, 1363152, 1525432, 1703940, 1817536, 1906790, 1947360, 2271920, 2288148, 2669506, 2726304, 2860185, 3050864, 3407880, 3813580, 3894720, 4004259, 4543840, 4576296, 5339012, 5452608, 5720370, 6101728, 6673765, 6815760, 7627160, 8008518, 9087680, 9152592, 10678024, 11440740, 12203456, 13347530, 13631520, 15254320, 16017036, 18305184, 20021295, 21356048, 22881480, 26695060, 27263040, 30508640, 32034072, 36610368, 40042590, 42712096, 45762960, 53390120, 61017280, 64068144, 80085180, 85424192, 91525920, 106780240, 128136288, 160170360, 183051840, 213560480, 256272576, 320340720, 427120960, 640681440, 1281362880]

約数ペア:

[(1, 1281362880), (2, 640681440), (3, 427120960), (4, 320340720), (5, 256272576), (6, 213560480), (7, 183051840), (8, 160170360), (10, 128136288), (12, 106780240), (14, 91525920), (15, 85424192), (16, 80085180), (20, 64068144), (21, 61017280), (24, 53390120), (28, 45762960), (30, 42712096), (32, 40042590), (35, 36610368), (40, 32034072), (42, 30508640), (47, 27263040), (48, 26695060), (56, 22881480), (60, 21356048), (64, 20021295), (70, 18305184), (80, 16017036), (84, 15254320), (94, 13631520), (96, 13347530), (105, 12203456), (112, 11440740), (120, 10678024), (140, 9152592), (141, 9087680), (160, 8008518), (168, 7627160), (188, 6815760), (192, 6673765), (210, 6101728), (224, 5720370), (235, 5452608), (240, 5339012), (280, 4576296), (282, 4543840), (320, 4004259), (329, 3894720), (336, 3813580), (376, 3407880), (420, 3050864), (448, 2860185), (470, 2726304), (480, 2669506), (560, 2288148), (564, 2271920), (658, 1947360), (672, 1906790), (705, 1817536), (752, 1703940), (840, 1525432), (940, 1363152), (960, 1334753), (987, 1298240), (1120, 1144074), (1128, 1135960), (1316, 973680), (1344, 953395), (1410, 908768), (1504, 851970), (1645, 778944), (1680, 762716), (1880, 681576), (1974, 649120), (2240, 572037), (2256, 567980), (2632, 486840), (2820, 454384), (3008, 425985), (3290, 389472), (3360, 381358), (3760, 340788), (3948, 324560), (4057, 315840), (4512, 283990), (4935, 259648), (5264, 243420), (5640, 227192), (6580, 194736), (6720, 190679), (7520, 170394), (7896, 162280), (8114, 157920), (9024, 141995), (9870, 129824), (10528, 121710), (11280, 113596), (12171, 105280), (13160, 97368), (15040, 85197), (15792, 81140), (16228, 78960), (19740, 64912), (20285, 63168), (21056, 60855), (22560, 56798), (24342, 52640), (26320, 48684), (28399, 45120), (31584, 40570), (32456, 39480)]