320438520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{890107}}^1$

素因数の和:890124

約数の個数: 48

約数和(自身を含む): 1041426360

約数和(自身を除く): 720987840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 890107, 1780214, 2670321, 3560428, 4450535, 5340642, 7120856, 8010963, 8901070, 10681284, 13351605, 16021926, 17802140, 21362568, 26703210, 32043852, 35604280, 40054815, 53406420, 64087704, 80109630, 106812840, 160219260, 320438520]

約数ペア:

[(1, 320438520), (2, 160219260), (3, 106812840), (4, 80109630), (5, 64087704), (6, 53406420), (8, 40054815), (9, 35604280), (10, 32043852), (12, 26703210), (15, 21362568), (18, 17802140), (20, 16021926), (24, 13351605), (30, 10681284), (36, 8901070), (40, 8010963), (45, 7120856), (60, 5340642), (72, 4450535), (90, 3560428), (120, 2670321), (180, 1780214), (360, 890107)]