340488640

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15881}}^1$

素因数の和:15965

約数の個数: 56

約数和(自身を含む): 822941712

約数和(自身を除く): 482453072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 4288, 5360, 10720, 15881, 21440, 31762, 63524, 79405, 127048, 158810, 254096, 317620, 508192, 635240, 1016384, 1064027, 1270480, 2128054, 2540960, 4256108, 5081920, 5320135, 8512216, 10640270, 17024432, 21280540, 34048864, 42561080, 68097728, 85122160, 170244320, 340488640]

約数ペア:

[(1, 340488640), (2, 170244320), (4, 85122160), (5, 68097728), (8, 42561080), (10, 34048864), (16, 21280540), (20, 17024432), (32, 10640270), (40, 8512216), (64, 5320135), (67, 5081920), (80, 4256108), (134, 2540960), (160, 2128054), (268, 1270480), (320, 1064027), (335, 1016384), (536, 635240), (670, 508192), (1072, 317620), (1340, 254096), (2144, 158810), (2680, 127048), (4288, 79405), (5360, 63524), (10720, 31762), (15881, 21440)]