645242208

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1789}}^1$

素因数の和:1849

約数の個数: 144

約数和(自身を含む): 1938741840

約数和(自身を除く): 1293499632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 289, 312, 408, 416, 442, 544, 578, 624, 663, 816, 867, 884, 1156, 1248, 1326, 1632, 1734, 1768, 1789, 2312, 2652, 3468, 3536, 3578, 3757, 4624, 5304, 5367, 6936, 7072, 7156, 7514, 9248, 10608, 10734, 11271, 13872, 14312, 15028, 21216, 21468, 22542, 23257, 27744, 28624, 30056, 30413, 42936, 45084, 46514, 57248, 60112, 60826, 69771, 85872, 90168, 91239, 93028, 120224, 121652, 139542, 171744, 180336, 182478, 186056, 243304, 279084, 360672, 364956, 372112, 395369, 486608, 517021, 558168, 729912, 744224, 790738, 973216, 1034042, 1116336, 1186107, 1459824, 1551063, 1581476, 2068084, 2232672, 2372214, 2919648, 3102126, 3162952, 4136168, 4744428, 6204252, 6325904, 6721273, 8272336, 9488856, 12408504, 12651808, 13442546, 16544672, 18977712, 20163819, 24817008, 26885092, 37955424, 40327638, 49634016, 53770184, 80655276, 107540368, 161310552, 215080736, 322621104, 645242208]

約数ペア:

[(1, 645242208), (2, 322621104), (3, 215080736), (4, 161310552), (6, 107540368), (8, 80655276), (12, 53770184), (13, 49634016), (16, 40327638), (17, 37955424), (24, 26885092), (26, 24817008), (32, 20163819), (34, 18977712), (39, 16544672), (48, 13442546), (51, 12651808), (52, 12408504), (68, 9488856), (78, 8272336), (96, 6721273), (102, 6325904), (104, 6204252), (136, 4744428), (156, 4136168), (204, 3162952), (208, 3102126), (221, 2919648), (272, 2372214), (289, 2232672), (312, 2068084), (408, 1581476), (416, 1551063), (442, 1459824), (544, 1186107), (578, 1116336), (624, 1034042), (663, 973216), (816, 790738), (867, 744224), (884, 729912), (1156, 558168), (1248, 517021), (1326, 486608), (1632, 395369), (1734, 372112), (1768, 364956), (1789, 360672), (2312, 279084), (2652, 243304), (3468, 186056), (3536, 182478), (3578, 180336), (3757, 171744), (4624, 139542), (5304, 121652), (5367, 120224), (6936, 93028), (7072, 91239), (7156, 90168), (7514, 85872), (9248, 69771), (10608, 60826), (10734, 60112), (11271, 57248), (13872, 46514), (14312, 45084), (15028, 42936), (21216, 30413), (21468, 30056), (22542, 28624), (23257, 27744)]