320640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{167}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 1028160

約数和(自身を除く): 707520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 167, 192, 240, 320, 334, 384, 480, 501, 640, 668, 835, 960, 1002, 1336, 1670, 1920, 2004, 2505, 2672, 3340, 4008, 5010, 5344, 6680, 8016, 10020, 10688, 13360, 16032, 20040, 21376, 26720, 32064, 40080, 53440, 64128, 80160, 106880, 160320, 320640]

約数ペア:

[(1, 320640), (2, 160320), (3, 106880), (4, 80160), (5, 64128), (6, 53440), (8, 40080), (10, 32064), (12, 26720), (15, 21376), (16, 20040), (20, 16032), (24, 13360), (30, 10688), (32, 10020), (40, 8016), (48, 6680), (60, 5344), (64, 5010), (80, 4008), (96, 3340), (120, 2672), (128, 2505), (160, 2004), (167, 1920), (192, 1670), (240, 1336), (320, 1002), (334, 960), (384, 835), (480, 668), (501, 640)]