219736980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1220761}}^1$

素因数の和:1220776

約数の個数: 36

約数和(自身を含む): 666536052

約数和(自身を除く): 446799072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1220761, 2441522, 3662283, 4883044, 6103805, 7324566, 10986849, 12207610, 14649132, 18311415, 21973698, 24415220, 36622830, 43947396, 54934245, 73245660, 109868490, 219736980]

約数ペア:

[(1, 219736980), (2, 109868490), (3, 73245660), (4, 54934245), (5, 43947396), (6, 36622830), (9, 24415220), (10, 21973698), (12, 18311415), (15, 14649132), (18, 12207610), (20, 10986849), (30, 7324566), (36, 6103805), (45, 4883044), (60, 3662283), (90, 2441522), (180, 1220761)]