18240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1$

素因数の和:39

約数の個数: 56

約数和(自身を含む): 60960

約数和(自身を除く): 42720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4560, 6080, 9120, 18240]

約数ペア:

[(1, 18240), (2, 9120), (3, 6080), (4, 4560), (5, 3648), (6, 3040), (8, 2280), (10, 1824), (12, 1520), (15, 1216), (16, 1140), (19, 960), (20, 912), (24, 760), (30, 608), (32, 570), (38, 480), (40, 456), (48, 380), (57, 320), (60, 304), (64, 285), (76, 240), (80, 228), (95, 192), (96, 190), (114, 160), (120, 152)]