28007388840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1106137}}^1$

素因数の和:1106362

約数の個数: 64

約数和(自身を含む): 84420452160

約数和(自身を除く): 56413063320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 12660, 25320, 1106137, 2212274, 3318411, 4424548, 5530685, 6636822, 8849096, 11061370, 13273644, 16592055, 22122740, 26547288, 33184110, 44245480, 66368220, 132736440, 233394907, 466789814, 700184721, 933579628, 1166974535, 1400369442, 1867159256, 2333949070, 2800738884, 3500923605, 4667898140, 5601477768, 7001847210, 9335796280, 14003694420, 28007388840]

約数ペア:

[(1, 28007388840), (2, 14003694420), (3, 9335796280), (4, 7001847210), (5, 5601477768), (6, 4667898140), (8, 3500923605), (10, 2800738884), (12, 2333949070), (15, 1867159256), (20, 1400369442), (24, 1166974535), (30, 933579628), (40, 700184721), (60, 466789814), (120, 233394907), (211, 132736440), (422, 66368220), (633, 44245480), (844, 33184110), (1055, 26547288), (1266, 22122740), (1688, 16592055), (2110, 13273644), (2532, 11061370), (3165, 8849096), (4220, 6636822), (5064, 5530685), (6330, 4424548), (8440, 3318411), (12660, 2212274), (25320, 1106137)]