1393760

素因数分解:

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

素因数の和:327

約数の個数: 48

約数和(自身を含む): 3411072

約数和(自身を除く): 2017312

約数列:

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

約数ペア:

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