64155320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 148331520

約数和(自身を除く): 84176200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 146, 173, 254, 292, 346, 365, 508, 584, 635, 692, 730, 865, 1016, 1270, 1384, 1460, 1730, 2540, 2920, 3460, 5080, 6920, 9271, 12629, 18542, 21971, 25258, 37084, 43942, 46355, 50516, 63145, 74168, 87884, 92710, 101032, 109855, 126290, 175768, 185420, 219710, 252580, 370840, 439420, 505160, 878840, 1603883, 3207766, 6415532, 8019415, 12831064, 16038830, 32077660, 64155320]

約数ペア:

[(1, 64155320), (2, 32077660), (4, 16038830), (5, 12831064), (8, 8019415), (10, 6415532), (20, 3207766), (40, 1603883), (73, 878840), (127, 505160), (146, 439420), (173, 370840), (254, 252580), (292, 219710), (346, 185420), (365, 175768), (508, 126290), (584, 109855), (635, 101032), (692, 92710), (730, 87884), (865, 74168), (1016, 63145), (1270, 50516), (1384, 46355), (1460, 43942), (1730, 37084), (2540, 25258), (2920, 21971), (3460, 18542), (5080, 12629), (6920, 9271)]