1528640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:315

約数の個数: 56

約数和(自身を含む): 3867912

約数和(自身を除く): 2339272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 281, 320, 340, 544, 562, 680, 1088, 1124, 1360, 1405, 2248, 2720, 2810, 4496, 4777, 5440, 5620, 8992, 9554, 11240, 17984, 19108, 22480, 23885, 38216, 44960, 47770, 76432, 89920, 95540, 152864, 191080, 305728, 382160, 764320, 1528640]

約数ペア:

[(1, 1528640), (2, 764320), (4, 382160), (5, 305728), (8, 191080), (10, 152864), (16, 95540), (17, 89920), (20, 76432), (32, 47770), (34, 44960), (40, 38216), (64, 23885), (68, 22480), (80, 19108), (85, 17984), (136, 11240), (160, 9554), (170, 8992), (272, 5620), (281, 5440), (320, 4777), (340, 4496), (544, 2810), (562, 2720), (680, 2248), (1088, 1405), (1124, 1360)]