285221680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 679956480

約数和(自身を除く): 394734800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 127, 134, 254, 268, 335, 419, 508, 536, 635, 670, 838, 1016, 1072, 1270, 1340, 1676, 2032, 2095, 2540, 2680, 3352, 4190, 5080, 5360, 6704, 8380, 8509, 10160, 16760, 17018, 28073, 33520, 34036, 42545, 53213, 56146, 68072, 85090, 106426, 112292, 136144, 140365, 170180, 212852, 224584, 266065, 280730, 340360, 425704, 449168, 532130, 561460, 680720, 851408, 1064260, 1122920, 2128520, 2245840, 3565271, 4257040, 7130542, 14261084, 17826355, 28522168, 35652710, 57044336, 71305420, 142610840, 285221680]

約数ペア:

[(1, 285221680), (2, 142610840), (4, 71305420), (5, 57044336), (8, 35652710), (10, 28522168), (16, 17826355), (20, 14261084), (40, 7130542), (67, 4257040), (80, 3565271), (127, 2245840), (134, 2128520), (254, 1122920), (268, 1064260), (335, 851408), (419, 680720), (508, 561460), (536, 532130), (635, 449168), (670, 425704), (838, 340360), (1016, 280730), (1072, 266065), (1270, 224584), (1340, 212852), (1676, 170180), (2032, 140365), (2095, 136144), (2540, 112292), (2680, 106426), (3352, 85090), (4190, 68072), (5080, 56146), (5360, 53213), (6704, 42545), (8380, 34036), (8509, 33520), (10160, 28073), (16760, 17018)]