17856280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 45178560

約数和(自身を除く): 27322280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1493, 1495, 2392, 2986, 2990, 5972, 5980, 7465, 11944, 11960, 14930, 19409, 29860, 34339, 38818, 59720, 68678, 77636, 97045, 137356, 155272, 171695, 194090, 274712, 343390, 388180, 446407, 686780, 776360, 892814, 1373560, 1785628, 2232035, 3571256, 4464070, 8928140, 17856280]

約数ペア:

[(1, 17856280), (2, 8928140), (4, 4464070), (5, 3571256), (8, 2232035), (10, 1785628), (13, 1373560), (20, 892814), (23, 776360), (26, 686780), (40, 446407), (46, 388180), (52, 343390), (65, 274712), (92, 194090), (104, 171695), (115, 155272), (130, 137356), (184, 97045), (230, 77636), (260, 68678), (299, 59720), (460, 38818), (520, 34339), (598, 29860), (920, 19409), (1196, 14930), (1493, 11960), (1495, 11944), (2392, 7465), (2986, 5980), (2990, 5972)]