218116980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1211761}}^1$

素因数の和:1211776

約数の個数: 36

約数和(自身を含む): 661622052

約数和(自身を除く): 443505072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1211761, 2423522, 3635283, 4847044, 6058805, 7270566, 10905849, 12117610, 14541132, 18176415, 21811698, 24235220, 36352830, 43623396, 54529245, 72705660, 109058490, 218116980]

約数ペア:

[(1, 218116980), (2, 109058490), (3, 72705660), (4, 54529245), (5, 43623396), (6, 36352830), (9, 24235220), (10, 21811698), (12, 18176415), (15, 14541132), (18, 12117610), (20, 10905849), (30, 7270566), (36, 6058805), (45, 4847044), (60, 3635283), (90, 2423522), (180, 1211761)]