1427990720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{343267}}^1$

素因数の和:343297

約数の個数: 56

約数和(自身を含む): 3661983024

約数和(自身を除く): 2233992304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 343267, 686534, 1373068, 1716335, 2746136, 3432670, 4462471, 5492272, 6865340, 8924942, 10984544, 13730680, 17849884, 21969088, 22312355, 27461360, 35699768, 44624710, 54922720, 71399536, 89249420, 109845440, 142799072, 178498840, 285598144, 356997680, 713995360, 1427990720]

約数ペア:

[(1, 1427990720), (2, 713995360), (4, 356997680), (5, 285598144), (8, 178498840), (10, 142799072), (13, 109845440), (16, 89249420), (20, 71399536), (26, 54922720), (32, 44624710), (40, 35699768), (52, 27461360), (64, 22312355), (65, 21969088), (80, 17849884), (104, 13730680), (130, 10984544), (160, 8924942), (208, 6865340), (260, 5492272), (320, 4462471), (416, 3432670), (520, 2746136), (832, 1716335), (1040, 1373068), (2080, 686534), (4160, 343267)]