213124440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2087}}^1$

素因数の和:2161

約数の個数: 128

約数和(自身を含む): 685532160

約数和(自身を除く): 472407720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 888, 920, 1110, 1380, 1480, 1702, 2087, 2220, 2553, 2760, 3404, 4174, 4255, 4440, 5106, 6261, 6808, 8348, 8510, 10212, 10435, 12522, 12765, 16696, 17020, 20424, 20870, 25044, 25530, 31305, 34040, 41740, 48001, 50088, 51060, 62610, 77219, 83480, 96002, 102120, 125220, 144003, 154438, 192004, 231657, 240005, 250440, 288006, 308876, 384008, 386095, 463314, 480010, 576012, 617752, 720015, 772190, 926628, 960020, 1152024, 1158285, 1440030, 1544380, 1776037, 1853256, 1920040, 2316570, 2880060, 3088760, 3552074, 4633140, 5328111, 5760120, 7104148, 8880185, 9266280, 10656222, 14208296, 17760370, 21312444, 26640555, 35520740, 42624888, 53281110, 71041480, 106562220, 213124440]

約数ペア:

[(1, 213124440), (2, 106562220), (3, 71041480), (4, 53281110), (5, 42624888), (6, 35520740), (8, 26640555), (10, 21312444), (12, 17760370), (15, 14208296), (20, 10656222), (23, 9266280), (24, 8880185), (30, 7104148), (37, 5760120), (40, 5328111), (46, 4633140), (60, 3552074), (69, 3088760), (74, 2880060), (92, 2316570), (111, 1920040), (115, 1853256), (120, 1776037), (138, 1544380), (148, 1440030), (184, 1158285), (185, 1152024), (222, 960020), (230, 926628), (276, 772190), (296, 720015), (345, 617752), (370, 576012), (444, 480010), (460, 463314), (552, 386095), (555, 384008), (690, 308876), (740, 288006), (851, 250440), (888, 240005), (920, 231657), (1110, 192004), (1380, 154438), (1480, 144003), (1702, 125220), (2087, 102120), (2220, 96002), (2553, 83480), (2760, 77219), (3404, 62610), (4174, 51060), (4255, 50088), (4440, 48001), (5106, 41740), (6261, 34040), (6808, 31305), (8348, 25530), (8510, 25044), (10212, 20870), (10435, 20424), (12522, 17020), (12765, 16696)]