64042120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 151683840

約数和(自身を除く): 87641720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 151, 184, 230, 302, 460, 461, 604, 755, 920, 922, 1208, 1510, 1844, 2305, 3020, 3473, 3688, 4610, 6040, 6946, 9220, 10603, 13892, 17365, 18440, 21206, 27784, 34730, 42412, 53015, 69460, 69611, 84824, 106030, 138920, 139222, 212060, 278444, 348055, 424120, 556888, 696110, 1392220, 1601053, 2784440, 3202106, 6404212, 8005265, 12808424, 16010530, 32021060, 64042120]

約数ペア:

[(1, 64042120), (2, 32021060), (4, 16010530), (5, 12808424), (8, 8005265), (10, 6404212), (20, 3202106), (23, 2784440), (40, 1601053), (46, 1392220), (92, 696110), (115, 556888), (151, 424120), (184, 348055), (230, 278444), (302, 212060), (460, 139222), (461, 138920), (604, 106030), (755, 84824), (920, 69611), (922, 69460), (1208, 53015), (1510, 42412), (1844, 34730), (2305, 27784), (3020, 21206), (3473, 18440), (3688, 17365), (4610, 13892), (6040, 10603), (6946, 9220)]