90047280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{821}}^1$

素因数の和:1294

約数の個数: 80

約数和(自身を含む): 280098144

約数和(自身を除く): 190050864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 821, 914, 1371, 1642, 1828, 2285, 2463, 2742, 3284, 3656, 4105, 4570, 4926, 5484, 6568, 6855, 7312, 8210, 9140, 9852, 10968, 12315, 13136, 13710, 16420, 18280, 19704, 21936, 24630, 27420, 32840, 36560, 39408, 49260, 54840, 65680, 98520, 109680, 197040, 375197, 750394, 1125591, 1500788, 1875985, 2251182, 3001576, 3751970, 4502364, 5627955, 6003152, 7503940, 9004728, 11255910, 15007880, 18009456, 22511820, 30015760, 45023640, 90047280]

約数ペア:

[(1, 90047280), (2, 45023640), (3, 30015760), (4, 22511820), (5, 18009456), (6, 15007880), (8, 11255910), (10, 9004728), (12, 7503940), (15, 6003152), (16, 5627955), (20, 4502364), (24, 3751970), (30, 3001576), (40, 2251182), (48, 1875985), (60, 1500788), (80, 1125591), (120, 750394), (240, 375197), (457, 197040), (821, 109680), (914, 98520), (1371, 65680), (1642, 54840), (1828, 49260), (2285, 39408), (2463, 36560), (2742, 32840), (3284, 27420), (3656, 24630), (4105, 21936), (4570, 19704), (4926, 18280), (5484, 16420), (6568, 13710), (6855, 13136), (7312, 12315), (8210, 10968), (9140, 9852)]