81635040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{6299}}^1$

素因数の和:6326

約数の個数: 120

約数和(自身を含む): 288149400

約数和(自身を除く): 206514360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6299, 6480, 12598, 12960, 18897, 25196, 31495, 37794, 50392, 56691, 62990, 75588, 94485, 100784, 113382, 125980, 151176, 170073, 188970, 201568, 226764, 251960, 283455, 302352, 340146, 377940, 453528, 503920, 510219, 566910, 604704, 680292, 755880, 850365, 907056, 1007840, 1020438, 1133820, 1360584, 1511760, 1700730, 1814112, 2040876, 2267640, 2551095, 2721168, 3023520, 3401460, 4081752, 4535280, 5102190, 5442336, 6802920, 8163504, 9070560, 10204380, 13605840, 16327008, 20408760, 27211680, 40817520, 81635040]

約数ペア:

[(1, 81635040), (2, 40817520), (3, 27211680), (4, 20408760), (5, 16327008), (6, 13605840), (8, 10204380), (9, 9070560), (10, 8163504), (12, 6802920), (15, 5442336), (16, 5102190), (18, 4535280), (20, 4081752), (24, 3401460), (27, 3023520), (30, 2721168), (32, 2551095), (36, 2267640), (40, 2040876), (45, 1814112), (48, 1700730), (54, 1511760), (60, 1360584), (72, 1133820), (80, 1020438), (81, 1007840), (90, 907056), (96, 850365), (108, 755880), (120, 680292), (135, 604704), (144, 566910), (160, 510219), (162, 503920), (180, 453528), (216, 377940), (240, 340146), (270, 302352), (288, 283455), (324, 251960), (360, 226764), (405, 201568), (432, 188970), (480, 170073), (540, 151176), (648, 125980), (720, 113382), (810, 100784), (864, 94485), (1080, 75588), (1296, 62990), (1440, 56691), (1620, 50392), (2160, 37794), (2592, 31495), (3240, 25196), (4320, 18897), (6299, 12960), (6480, 12598)]