262438380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{161999}}^1$

素因数の和:162020

約数の個数: 60

約数和(自身を含む): 823284000

約数和(自身を除く): 560845620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 161999, 323998, 485997, 647996, 809995, 971994, 1457991, 1619990, 1943988, 2429985, 2915982, 3239980, 4373973, 4859970, 5831964, 7289955, 8747946, 9719940, 13121919, 14579910, 17495892, 21869865, 26243838, 29159820, 43739730, 52487676, 65609595, 87479460, 131219190, 262438380]

約数ペア:

[(1, 262438380), (2, 131219190), (3, 87479460), (4, 65609595), (5, 52487676), (6, 43739730), (9, 29159820), (10, 26243838), (12, 21869865), (15, 17495892), (18, 14579910), (20, 13121919), (27, 9719940), (30, 8747946), (36, 7289955), (45, 5831964), (54, 4859970), (60, 4373973), (81, 3239980), (90, 2915982), (108, 2429985), (135, 1943988), (162, 1619990), (180, 1457991), (270, 971994), (324, 809995), (405, 647996), (540, 485997), (810, 323998), (1620, 161999)]