86642720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 128908000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 71, 80, 116, 142, 145, 160, 232, 263, 284, 290, 355, 464, 526, 568, 580, 710, 928, 1052, 1136, 1160, 1315, 1420, 2059, 2104, 2272, 2320, 2630, 2840, 4118, 4208, 4640, 5260, 5680, 7627, 8236, 8416, 10295, 10520, 11360, 15254, 16472, 18673, 20590, 21040, 30508, 32944, 37346, 38135, 41180, 42080, 61016, 65888, 74692, 76270, 82360, 93365, 122032, 149384, 152540, 164720, 186730, 244064, 298768, 305080, 329440, 373460, 541517, 597536, 610160, 746920, 1083034, 1220320, 1493840, 2166068, 2707585, 2987680, 4332136, 5415170, 8664272, 10830340, 17328544, 21660680, 43321360, 86642720]

約数ペア:

[(1, 86642720), (2, 43321360), (4, 21660680), (5, 17328544), (8, 10830340), (10, 8664272), (16, 5415170), (20, 4332136), (29, 2987680), (32, 2707585), (40, 2166068), (58, 1493840), (71, 1220320), (80, 1083034), (116, 746920), (142, 610160), (145, 597536), (160, 541517), (232, 373460), (263, 329440), (284, 305080), (290, 298768), (355, 244064), (464, 186730), (526, 164720), (568, 152540), (580, 149384), (710, 122032), (928, 93365), (1052, 82360), (1136, 76270), (1160, 74692), (1315, 65888), (1420, 61016), (2059, 42080), (2104, 41180), (2272, 38135), (2320, 37346), (2630, 32944), (2840, 30508), (4118, 21040), (4208, 20590), (4640, 18673), (5260, 16472), (5680, 15254), (7627, 11360), (8236, 10520), (8416, 10295)]