131181440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15767}}^1$

素因数の和:15799

約数の個数: 64

約数和(自身を含む): 337750560

約数和(自身を除く): 206569120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 15767, 31534, 63068, 78835, 126136, 157670, 204971, 252272, 315340, 409942, 504544, 630680, 819884, 1009088, 1024855, 1261360, 1639768, 2018176, 2049710, 2522720, 3279536, 4099420, 5045440, 6559072, 8198840, 10090880, 13118144, 16397680, 26236288, 32795360, 65590720, 131181440]

約数ペア:

[(1, 131181440), (2, 65590720), (4, 32795360), (5, 26236288), (8, 16397680), (10, 13118144), (13, 10090880), (16, 8198840), (20, 6559072), (26, 5045440), (32, 4099420), (40, 3279536), (52, 2522720), (64, 2049710), (65, 2018176), (80, 1639768), (104, 1261360), (128, 1024855), (130, 1009088), (160, 819884), (208, 630680), (260, 504544), (320, 409942), (416, 315340), (520, 252272), (640, 204971), (832, 157670), (1040, 126136), (1664, 78835), (2080, 63068), (4160, 31534), (8320, 15767)]