2783120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1831}}^1$

素因数の和:1863

約数の個数: 40

約数和(自身を含む): 6815040

約数和(自身を除く): 4031920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1831, 3662, 7324, 9155, 14648, 18310, 29296, 34789, 36620, 69578, 73240, 139156, 146480, 173945, 278312, 347890, 556624, 695780, 1391560, 2783120]

約数ペア:

[(1, 2783120), (2, 1391560), (4, 695780), (5, 556624), (8, 347890), (10, 278312), (16, 173945), (19, 146480), (20, 139156), (38, 73240), (40, 69578), (76, 36620), (80, 34789), (95, 29296), (152, 18310), (190, 14648), (304, 9155), (380, 7324), (760, 3662), (1520, 1831)]