21272640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22159}}^1$

素因数の和:22179

約数の個数: 56

約数和(自身を含む): 67543680

約数和(自身を除く): 46271040

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, 160, 192, 240, 320, 480, 960, 22159, 44318, 66477, 88636, 110795, 132954, 177272, 221590, 265908, 332385, 354544, 443180, 531816, 664770, 709088, 886360, 1063632, 1329540, 1418176, 1772720, 2127264, 2659080, 3545440, 4254528, 5318160, 7090880, 10636320, 21272640]

約数ペア:

[(1, 21272640), (2, 10636320), (3, 7090880), (4, 5318160), (5, 4254528), (6, 3545440), (8, 2659080), (10, 2127264), (12, 1772720), (15, 1418176), (16, 1329540), (20, 1063632), (24, 886360), (30, 709088), (32, 664770), (40, 531816), (48, 443180), (60, 354544), (64, 332385), (80, 265908), (96, 221590), (120, 177272), (160, 132954), (192, 110795), (240, 88636), (320, 66477), (480, 44318), (960, 22159)]