74467640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2017}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 183072960

約数和(自身を除く): 108605320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2017, 2840, 3692, 4034, 4615, 7384, 8068, 9230, 10085, 16136, 18460, 20170, 26221, 36920, 40340, 52442, 80680, 104884, 131105, 143207, 209768, 262210, 286414, 524420, 572828, 716035, 1048840, 1145656, 1432070, 1861691, 2864140, 3723382, 5728280, 7446764, 9308455, 14893528, 18616910, 37233820, 74467640]

約数ペア:

[(1, 74467640), (2, 37233820), (4, 18616910), (5, 14893528), (8, 9308455), (10, 7446764), (13, 5728280), (20, 3723382), (26, 2864140), (40, 1861691), (52, 1432070), (65, 1145656), (71, 1048840), (104, 716035), (130, 572828), (142, 524420), (260, 286414), (284, 262210), (355, 209768), (520, 143207), (568, 131105), (710, 104884), (923, 80680), (1420, 52442), (1846, 40340), (2017, 36920), (2840, 26221), (3692, 20170), (4034, 18460), (4615, 16136), (7384, 10085), (8068, 9230)]