217805580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20509}}^1$

素因数の和:20583

約数の個数: 72

約数和(自身を含む): 671907600

約数和(自身を除く): 454102020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 20509, 41018, 61527, 82036, 102545, 123054, 184581, 205090, 246108, 307635, 369162, 410180, 615270, 738324, 922905, 1210031, 1230540, 1845810, 2420062, 3630093, 3691620, 4840124, 6050155, 7260186, 10890279, 12100310, 14520372, 18150465, 21780558, 24200620, 36300930, 43561116, 54451395, 72601860, 108902790, 217805580]

約数ペア:

[(1, 217805580), (2, 108902790), (3, 72601860), (4, 54451395), (5, 43561116), (6, 36300930), (9, 24200620), (10, 21780558), (12, 18150465), (15, 14520372), (18, 12100310), (20, 10890279), (30, 7260186), (36, 6050155), (45, 4840124), (59, 3691620), (60, 3630093), (90, 2420062), (118, 1845810), (177, 1230540), (180, 1210031), (236, 922905), (295, 738324), (354, 615270), (531, 410180), (590, 369162), (708, 307635), (885, 246108), (1062, 205090), (1180, 184581), (1770, 123054), (2124, 102545), (2655, 82036), (3540, 61527), (5310, 41018), (10620, 20509)]