218156940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1211983}}^1$

素因数の和:1211998

約数の個数: 36

約数和(自身を含む): 661743264

約数和(自身を除く): 443586324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1211983, 2423966, 3635949, 4847932, 6059915, 7271898, 10907847, 12119830, 14543796, 18179745, 21815694, 24239660, 36359490, 43631388, 54539235, 72718980, 109078470, 218156940]

約数ペア:

[(1, 218156940), (2, 109078470), (3, 72718980), (4, 54539235), (5, 43631388), (6, 36359490), (9, 24239660), (10, 21815694), (12, 18179745), (15, 14543796), (18, 12119830), (20, 10907847), (30, 7271898), (36, 6059915), (45, 4847932), (60, 3635949), (90, 2423966), (180, 1211983)]