68736440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 164799360

約数和(自身を除く): 96062920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 271, 340, 373, 542, 680, 746, 1084, 1355, 1492, 1865, 2168, 2710, 2984, 3730, 4607, 5420, 6341, 7460, 9214, 10840, 12682, 14920, 18428, 23035, 25364, 31705, 36856, 46070, 50728, 63410, 92140, 101083, 126820, 184280, 202166, 253640, 404332, 505415, 808664, 1010830, 1718411, 2021660, 3436822, 4043320, 6873644, 8592055, 13747288, 17184110, 34368220, 68736440]

約数ペア:

[(1, 68736440), (2, 34368220), (4, 17184110), (5, 13747288), (8, 8592055), (10, 6873644), (17, 4043320), (20, 3436822), (34, 2021660), (40, 1718411), (68, 1010830), (85, 808664), (136, 505415), (170, 404332), (271, 253640), (340, 202166), (373, 184280), (542, 126820), (680, 101083), (746, 92140), (1084, 63410), (1355, 50728), (1492, 46070), (1865, 36856), (2168, 31705), (2710, 25364), (2984, 23035), (3730, 18428), (4607, 14920), (5420, 12682), (6341, 10840), (7460, 9214)]