54321420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3607}}^1$

素因数の和:3870

約数の個数: 48

約数和(自身を含む): 152748288

約数和(自身を除く): 98426868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3607, 3765, 5020, 7214, 7530, 10821, 14428, 15060, 18035, 21642, 36070, 43284, 54105, 72140, 108210, 216420, 905357, 1810714, 2716071, 3621428, 4526785, 5432142, 9053570, 10864284, 13580355, 18107140, 27160710, 54321420]

約数ペア:

[(1, 54321420), (2, 27160710), (3, 18107140), (4, 13580355), (5, 10864284), (6, 9053570), (10, 5432142), (12, 4526785), (15, 3621428), (20, 2716071), (30, 1810714), (60, 905357), (251, 216420), (502, 108210), (753, 72140), (1004, 54105), (1255, 43284), (1506, 36070), (2510, 21642), (3012, 18035), (3607, 15060), (3765, 14428), (5020, 10821), (7214, 7530)]