131836920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1365

約数の個数: 128

約数和(自身を含む): 424189440

約数和(自身を除く): 292352520

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, 1291, 1380, 1480, 1702, 2220, 2553, 2582, 2760, 3404, 3873, 4255, 4440, 5106, 5164, 6455, 6808, 7746, 8510, 10212, 10328, 12765, 12910, 15492, 17020, 19365, 20424, 25530, 25820, 29693, 30984, 34040, 38730, 47767, 51060, 51640, 59386, 77460, 89079, 95534, 102120, 118772, 143301, 148465, 154920, 178158, 191068, 237544, 238835, 286602, 296930, 356316, 382136, 445395, 477670, 573204, 593860, 712632, 716505, 890790, 955340, 1098641, 1146408, 1187720, 1433010, 1781580, 1910680, 2197282, 2866020, 3295923, 3563160, 4394564, 5493205, 5732040, 6591846, 8789128, 10986410, 13183692, 16479615, 21972820, 26367384, 32959230, 43945640, 65918460, 131836920]

約数ペア:

[(1, 131836920), (2, 65918460), (3, 43945640), (4, 32959230), (5, 26367384), (6, 21972820), (8, 16479615), (10, 13183692), (12, 10986410), (15, 8789128), (20, 6591846), (23, 5732040), (24, 5493205), (30, 4394564), (37, 3563160), (40, 3295923), (46, 2866020), (60, 2197282), (69, 1910680), (74, 1781580), (92, 1433010), (111, 1187720), (115, 1146408), (120, 1098641), (138, 955340), (148, 890790), (184, 716505), (185, 712632), (222, 593860), (230, 573204), (276, 477670), (296, 445395), (345, 382136), (370, 356316), (444, 296930), (460, 286602), (552, 238835), (555, 237544), (690, 191068), (740, 178158), (851, 154920), (888, 148465), (920, 143301), (1110, 118772), (1291, 102120), (1380, 95534), (1480, 89079), (1702, 77460), (2220, 59386), (2553, 51640), (2582, 51060), (2760, 47767), (3404, 38730), (3873, 34040), (4255, 30984), (4440, 29693), (5106, 25820), (5164, 25530), (6455, 20424), (6808, 19365), (7746, 17020), (8510, 15492), (10212, 12910), (10328, 12765)]