12181980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1063}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 34320384

約数和(自身を除く): 22138404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1063, 1146, 1910, 2126, 2292, 2865, 3189, 3820, 4252, 5315, 5730, 6378, 10630, 11460, 12756, 15945, 21260, 31890, 63780, 203033, 406066, 609099, 812132, 1015165, 1218198, 2030330, 2436396, 3045495, 4060660, 6090990, 12181980]

約数ペア:

[(1, 12181980), (2, 6090990), (3, 4060660), (4, 3045495), (5, 2436396), (6, 2030330), (10, 1218198), (12, 1015165), (15, 812132), (20, 609099), (30, 406066), (60, 203033), (191, 63780), (382, 31890), (573, 21260), (764, 15945), (955, 12756), (1063, 11460), (1146, 10630), (1910, 6378), (2126, 5730), (2292, 5315), (2865, 4252), (3189, 3820)]