219542940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{406561}}^1$

素因数の和:406579

約数の個数: 48

約数和(自身を含む): 683024160

約数和(自身を除く): 463481220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 406561, 813122, 1219683, 1626244, 2032805, 2439366, 3659049, 4065610, 4878732, 6098415, 7318098, 8131220, 10977147, 12196830, 14636196, 18295245, 21954294, 24393660, 36590490, 43908588, 54885735, 73180980, 109771470, 219542940]

約数ペア:

[(1, 219542940), (2, 109771470), (3, 73180980), (4, 54885735), (5, 43908588), (6, 36590490), (9, 24393660), (10, 21954294), (12, 18295245), (15, 14636196), (18, 12196830), (20, 10977147), (27, 8131220), (30, 7318098), (36, 6098415), (45, 4878732), (54, 4065610), (60, 3659049), (90, 2439366), (108, 2032805), (135, 1626244), (180, 1219683), (270, 813122), (540, 406561)]