2787520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 56

約数和(自身を含む): 6876288

約数和(自身を除く): 4088768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 281, 310, 320, 496, 562, 620, 992, 1124, 1240, 1405, 1984, 2248, 2480, 2810, 4496, 4960, 5620, 8711, 8992, 9920, 11240, 17422, 17984, 22480, 34844, 43555, 44960, 69688, 87110, 89920, 139376, 174220, 278752, 348440, 557504, 696880, 1393760, 2787520]

約数ペア:

[(1, 2787520), (2, 1393760), (4, 696880), (5, 557504), (8, 348440), (10, 278752), (16, 174220), (20, 139376), (31, 89920), (32, 87110), (40, 69688), (62, 44960), (64, 43555), (80, 34844), (124, 22480), (155, 17984), (160, 17422), (248, 11240), (281, 9920), (310, 8992), (320, 8711), (496, 5620), (562, 4960), (620, 4496), (992, 2810), (1124, 2480), (1240, 2248), (1405, 1984)]