78880275

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 149799936

約数和(自身を除く): 70919661

約数列:

[1, 3, 5, 9, 15, 25, 31, 43, 45, 75, 93, 129, 155, 215, 225, 263, 279, 387, 465, 645, 775, 789, 1075, 1315, 1333, 1395, 1935, 2325, 2367, 3225, 3945, 3999, 6575, 6665, 6975, 8153, 9675, 11309, 11835, 11997, 19725, 19995, 24459, 33325, 33927, 40765, 56545, 59175, 59985, 73377, 99975, 101781, 122295, 169635, 203825, 282725, 299925, 350579, 366885, 508905, 611475, 848175, 1051737, 1752895, 1834425, 2544525, 3155211, 5258685, 8764475, 15776055, 26293425, 78880275]

約数ペア:

[(1, 78880275), (3, 26293425), (5, 15776055), (9, 8764475), (15, 5258685), (25, 3155211), (31, 2544525), (43, 1834425), (45, 1752895), (75, 1051737), (93, 848175), (129, 611475), (155, 508905), (215, 366885), (225, 350579), (263, 299925), (279, 282725), (387, 203825), (465, 169635), (645, 122295), (775, 101781), (789, 99975), (1075, 73377), (1315, 59985), (1333, 59175), (1395, 56545), (1935, 40765), (2325, 33927), (2367, 33325), (3225, 24459), (3945, 19995), (3999, 19725), (6575, 11997), (6665, 11835), (6975, 11309), (8153, 9675)]