138540840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26849}}^1$

素因数の和:26906

約数の個数: 64

約数和(自身を含む): 425304000

約数和(自身を除く): 286763160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 26849, 53698, 80547, 107396, 134245, 161094, 214792, 268490, 322188, 402735, 536980, 644376, 805470, 1073960, 1154507, 1610940, 2309014, 3221880, 3463521, 4618028, 5772535, 6927042, 9236056, 11545070, 13854084, 17317605, 23090140, 27708168, 34635210, 46180280, 69270420, 138540840]

約数ペア:

[(1, 138540840), (2, 69270420), (3, 46180280), (4, 34635210), (5, 27708168), (6, 23090140), (8, 17317605), (10, 13854084), (12, 11545070), (15, 9236056), (20, 6927042), (24, 5772535), (30, 4618028), (40, 3463521), (43, 3221880), (60, 2309014), (86, 1610940), (120, 1154507), (129, 1073960), (172, 805470), (215, 644376), (258, 536980), (344, 402735), (430, 322188), (516, 268490), (645, 214792), (860, 161094), (1032, 134245), (1290, 107396), (1720, 80547), (2580, 53698), (5160, 26849)]