18855784320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{9820721}}^1$

素因数の和:9820743

約数の個数: 64

約数和(自身を含む): 60102818640

約数和(自身を除く): 41247034320

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, 192, 240, 320, 384, 480, 640, 960, 1920, 9820721, 19641442, 29462163, 39282884, 49103605, 58924326, 78565768, 98207210, 117848652, 147310815, 157131536, 196414420, 235697304, 294621630, 314263072, 392828840, 471394608, 589243260, 628526144, 785657680, 942789216, 1178486520, 1257052288, 1571315360, 1885578432, 2356973040, 3142630720, 3771156864, 4713946080, 6285261440, 9427892160, 18855784320]

約数ペア:

[(1, 18855784320), (2, 9427892160), (3, 6285261440), (4, 4713946080), (5, 3771156864), (6, 3142630720), (8, 2356973040), (10, 1885578432), (12, 1571315360), (15, 1257052288), (16, 1178486520), (20, 942789216), (24, 785657680), (30, 628526144), (32, 589243260), (40, 471394608), (48, 392828840), (60, 314263072), (64, 294621630), (80, 235697304), (96, 196414420), (120, 157131536), (128, 147310815), (160, 117848652), (192, 98207210), (240, 78565768), (320, 58924326), (384, 49103605), (480, 39282884), (640, 29462163), (960, 19641442), (1920, 9820721)]