66178840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18181}}^1$

素因数の和:18212

約数の個数: 64

約数和(自身を含む): 183274560

約数和(自身を除く): 117095720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18181, 36362, 72724, 90905, 127267, 145448, 181810, 236353, 254534, 363620, 472706, 509068, 636335, 727240, 945412, 1018136, 1181765, 1272670, 1654471, 1890824, 2363530, 2545340, 3308942, 4727060, 5090680, 6617884, 8272355, 9454120, 13235768, 16544710, 33089420, 66178840]

約数ペア:

[(1, 66178840), (2, 33089420), (4, 16544710), (5, 13235768), (7, 9454120), (8, 8272355), (10, 6617884), (13, 5090680), (14, 4727060), (20, 3308942), (26, 2545340), (28, 2363530), (35, 1890824), (40, 1654471), (52, 1272670), (56, 1181765), (65, 1018136), (70, 945412), (91, 727240), (104, 636335), (130, 509068), (140, 472706), (182, 363620), (260, 254534), (280, 236353), (364, 181810), (455, 145448), (520, 127267), (728, 90905), (910, 72724), (1820, 36362), (3640, 18181)]