239992920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{666647}}^1$

素因数の和:666664

約数の個数: 48

約数和(自身を含む): 779978160

約数和(自身を除く): 539985240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 666647, 1333294, 1999941, 2666588, 3333235, 3999882, 5333176, 5999823, 6666470, 7999764, 9999705, 11999646, 13332940, 15999528, 19999410, 23999292, 26665880, 29999115, 39998820, 47998584, 59998230, 79997640, 119996460, 239992920]

約数ペア:

[(1, 239992920), (2, 119996460), (3, 79997640), (4, 59998230), (5, 47998584), (6, 39998820), (8, 29999115), (9, 26665880), (10, 23999292), (12, 19999410), (15, 15999528), (18, 13332940), (20, 11999646), (24, 9999705), (30, 7999764), (36, 6666470), (40, 5999823), (45, 5333176), (60, 3999882), (72, 3333235), (90, 2666588), (120, 1999941), (180, 1333294), (360, 666647)]