67516280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 164838240

約数和(自身を除く): 97321960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 827, 1256, 1570, 1654, 2041, 3140, 3308, 4082, 4135, 6280, 6616, 8164, 8270, 10205, 10751, 16328, 16540, 20410, 21502, 33080, 40820, 43004, 53755, 81640, 86008, 107510, 129839, 215020, 259678, 430040, 519356, 649195, 1038712, 1298390, 1687907, 2596780, 3375814, 5193560, 6751628, 8439535, 13503256, 16879070, 33758140, 67516280]

約数ペア:

[(1, 67516280), (2, 33758140), (4, 16879070), (5, 13503256), (8, 8439535), (10, 6751628), (13, 5193560), (20, 3375814), (26, 2596780), (40, 1687907), (52, 1298390), (65, 1038712), (104, 649195), (130, 519356), (157, 430040), (260, 259678), (314, 215020), (520, 129839), (628, 107510), (785, 86008), (827, 81640), (1256, 53755), (1570, 43004), (1654, 40820), (2041, 33080), (3140, 21502), (3308, 20410), (4082, 16540), (4135, 16328), (6280, 10751), (6616, 10205), (8164, 8270)]