18282840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{607}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 36874920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 607, 753, 1004, 1214, 1255, 1506, 1821, 2008, 2428, 2510, 3012, 3035, 3642, 3765, 4856, 5020, 6024, 6070, 7284, 7530, 9105, 10040, 12140, 14568, 15060, 18210, 24280, 30120, 36420, 72840, 152357, 304714, 457071, 609428, 761785, 914142, 1218856, 1523570, 1828284, 2285355, 3047140, 3656568, 4570710, 6094280, 9141420, 18282840]

約数ペア:

[(1, 18282840), (2, 9141420), (3, 6094280), (4, 4570710), (5, 3656568), (6, 3047140), (8, 2285355), (10, 1828284), (12, 1523570), (15, 1218856), (20, 914142), (24, 761785), (30, 609428), (40, 457071), (60, 304714), (120, 152357), (251, 72840), (502, 36420), (607, 30120), (753, 24280), (1004, 18210), (1214, 15060), (1255, 14568), (1506, 12140), (1821, 10040), (2008, 9105), (2428, 7530), (2510, 7284), (3012, 6070), (3035, 6024), (3642, 5020), (3765, 4856)]