787315140

素因数分解:

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

素因数の和:162023

約数の個数: 72

約数和(自身を含む): 2476656000

約数和(自身を除く): 1689340860

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 161999, 323998, 485997, 647996, 809995, 971994, 1457991, 1619990, 1943988, 2429985, 2915982, 3239980, 4373973, 4859970, 5831964, 7289955, 8747946, 9719940, 13121919, 14579910, 17495892, 21869865, 26243838, 29159820, 39365757, 43739730, 52487676, 65609595, 78731514, 87479460, 131219190, 157463028, 196828785, 262438380, 393657570, 787315140]

約数ペア:

[(1, 787315140), (2, 393657570), (3, 262438380), (4, 196828785), (5, 157463028), (6, 131219190), (9, 87479460), (10, 78731514), (12, 65609595), (15, 52487676), (18, 43739730), (20, 39365757), (27, 29159820), (30, 26243838), (36, 21869865), (45, 17495892), (54, 14579910), (60, 13121919), (81, 9719940), (90, 8747946), (108, 7289955), (135, 5831964), (162, 4859970), (180, 4373973), (243, 3239980), (270, 2915982), (324, 2429985), (405, 1943988), (486, 1619990), (540, 1457991), (810, 971994), (972, 809995), (1215, 647996), (1620, 485997), (2430, 323998), (4860, 161999)]