20408760

素因数分解:

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

素因数の和:6322

約数の個数: 80

約数和(自身を含む): 68607000

約数和(自身を除く): 48198240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6299, 12598, 18897, 25196, 31495, 37794, 50392, 56691, 62990, 75588, 94485, 113382, 125980, 151176, 170073, 188970, 226764, 251960, 283455, 340146, 377940, 453528, 510219, 566910, 680292, 755880, 850365, 1020438, 1133820, 1360584, 1700730, 2040876, 2267640, 2551095, 3401460, 4081752, 5102190, 6802920, 10204380, 20408760]

約数ペア:

[(1, 20408760), (2, 10204380), (3, 6802920), (4, 5102190), (5, 4081752), (6, 3401460), (8, 2551095), (9, 2267640), (10, 2040876), (12, 1700730), (15, 1360584), (18, 1133820), (20, 1020438), (24, 850365), (27, 755880), (30, 680292), (36, 566910), (40, 510219), (45, 453528), (54, 377940), (60, 340146), (72, 283455), (81, 251960), (90, 226764), (108, 188970), (120, 170073), (135, 151176), (162, 125980), (180, 113382), (216, 94485), (270, 75588), (324, 62990), (360, 56691), (405, 50392), (540, 37794), (648, 31495), (810, 25196), (1080, 18897), (1620, 12598), (3240, 6299)]