138683760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{577849}}^1$

素因数の和:577865

約数の個数: 40

約数和(自身を含む): 429920400

約数和(自身を除く): 291236640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 577849, 1155698, 1733547, 2311396, 2889245, 3467094, 4622792, 5778490, 6934188, 8667735, 9245584, 11556980, 13868376, 17335470, 23113960, 27736752, 34670940, 46227920, 69341880, 138683760]

約数ペア:

[(1, 138683760), (2, 69341880), (3, 46227920), (4, 34670940), (5, 27736752), (6, 23113960), (8, 17335470), (10, 13868376), (12, 11556980), (15, 9245584), (16, 8667735), (20, 6934188), (24, 5778490), (30, 4622792), (40, 3467094), (48, 2889245), (60, 2311396), (80, 1733547), (120, 1155698), (240, 577849)]