81433710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4999}}^1$

素因数の和:5193

約数の個数: 48

約数和(自身を含む): 212940000

約数和(自身を除く): 131506290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 4999, 5430, 8145, 9998, 14997, 16290, 24995, 29994, 44991, 49990, 74985, 89982, 149970, 224955, 449910, 904819, 1809638, 2714457, 4524095, 5428914, 8143371, 9048190, 13572285, 16286742, 27144570, 40716855, 81433710]

約数ペア:

[(1, 81433710), (2, 40716855), (3, 27144570), (5, 16286742), (6, 13572285), (9, 9048190), (10, 8143371), (15, 5428914), (18, 4524095), (30, 2714457), (45, 1809638), (90, 904819), (181, 449910), (362, 224955), (543, 149970), (905, 89982), (1086, 74985), (1629, 49990), (1810, 44991), (2715, 29994), (3258, 24995), (4999, 16290), (5430, 14997), (8145, 9998)]