642569904

素因数分解:

$2^4\times 3^2\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:547

約数の個数: 120

約数和(自身を含む): 1834101360

約数和(自身を除く): 1191531456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 97, 144, 179, 194, 257, 291, 358, 388, 514, 537, 582, 716, 771, 776, 873, 1028, 1074, 1164, 1432, 1542, 1552, 1611, 1746, 2056, 2148, 2313, 2328, 2864, 3084, 3222, 3492, 4112, 4296, 4626, 4656, 6168, 6444, 6984, 8592, 9252, 12336, 12888, 13968, 17363, 18504, 24929, 25776, 34726, 37008, 46003, 49858, 52089, 69452, 74787, 92006, 99716, 104178, 138009, 138904, 149574, 156267, 184012, 199432, 208356, 224361, 276018, 277808, 299148, 312534, 368024, 398864, 414027, 416712, 448722, 552036, 598296, 625068, 736048, 828054, 833424, 897444, 1104072, 1196592, 1250136, 1656108, 1794888, 2208144, 2500272, 3312216, 3589776, 4462291, 6624432, 8924582, 13386873, 17849164, 26773746, 35698328, 40160619, 53547492, 71396656, 80321238, 107094984, 160642476, 214189968, 321284952, 642569904]

約数ペア:

[(1, 642569904), (2, 321284952), (3, 214189968), (4, 160642476), (6, 107094984), (8, 80321238), (9, 71396656), (12, 53547492), (16, 40160619), (18, 35698328), (24, 26773746), (36, 17849164), (48, 13386873), (72, 8924582), (97, 6624432), (144, 4462291), (179, 3589776), (194, 3312216), (257, 2500272), (291, 2208144), (358, 1794888), (388, 1656108), (514, 1250136), (537, 1196592), (582, 1104072), (716, 897444), (771, 833424), (776, 828054), (873, 736048), (1028, 625068), (1074, 598296), (1164, 552036), (1432, 448722), (1542, 416712), (1552, 414027), (1611, 398864), (1746, 368024), (2056, 312534), (2148, 299148), (2313, 277808), (2328, 276018), (2864, 224361), (3084, 208356), (3222, 199432), (3492, 184012), (4112, 156267), (4296, 149574), (4626, 138904), (4656, 138009), (6168, 104178), (6444, 99716), (6984, 92006), (8592, 74787), (9252, 69452), (12336, 52089), (12888, 49858), (13968, 46003), (17363, 37008), (18504, 34726), (24929, 25776)]