161928720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{24989}}^1$

素因数の和:25014

約数の個数: 100

約数和(自身を含む): 562424940

約数和(自身を除く): 400496220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 24989, 49978, 74967, 99956, 124945, 149934, 199912, 224901, 249890, 299868, 374835, 399824, 449802, 499780, 599736, 674703, 749670, 899604, 999560, 1124505, 1199472, 1349406, 1499340, 1799208, 1999120, 2024109, 2249010, 2698812, 2998680, 3373515, 3598416, 4048218, 4498020, 5397624, 5997360, 6747030, 8096436, 8996040, 10120545, 10795248, 13494060, 16192872, 17992080, 20241090, 26988120, 32385744, 40482180, 53976240, 80964360, 161928720]

約数ペア:

[(1, 161928720), (2, 80964360), (3, 53976240), (4, 40482180), (5, 32385744), (6, 26988120), (8, 20241090), (9, 17992080), (10, 16192872), (12, 13494060), (15, 10795248), (16, 10120545), (18, 8996040), (20, 8096436), (24, 6747030), (27, 5997360), (30, 5397624), (36, 4498020), (40, 4048218), (45, 3598416), (48, 3373515), (54, 2998680), (60, 2698812), (72, 2249010), (80, 2024109), (81, 1999120), (90, 1799208), (108, 1499340), (120, 1349406), (135, 1199472), (144, 1124505), (162, 999560), (180, 899604), (216, 749670), (240, 674703), (270, 599736), (324, 499780), (360, 449802), (405, 399824), (432, 374835), (540, 299868), (648, 249890), (720, 224901), (810, 199912), (1080, 149934), (1296, 124945), (1620, 99956), (2160, 74967), (3240, 49978), (6480, 24989)]