81427560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678563}}^1$

素因数の和:678577

約数の個数: 32

約数和(自身を含む): 244283040

約数和(自身を除く): 162855480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678563, 1357126, 2035689, 2714252, 3392815, 4071378, 5428504, 6785630, 8142756, 10178445, 13571260, 16285512, 20356890, 27142520, 40713780, 81427560]

約数ペア:

[(1, 81427560), (2, 40713780), (3, 27142520), (4, 20356890), (5, 16285512), (6, 13571260), (8, 10178445), (10, 8142756), (12, 6785630), (15, 5428504), (20, 4071378), (24, 3392815), (30, 2714252), (40, 2035689), (60, 1357126), (120, 678563)]