77991000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{25997}}^1$

素因数の和:26021

約数の個数: 64

約数和(自身を含む): 243341280

約数和(自身を除く): 165350280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 25997, 51994, 77991, 103988, 129985, 155982, 207976, 259970, 311964, 389955, 519940, 623928, 649925, 779910, 1039880, 1299850, 1559820, 1949775, 2599700, 3119640, 3249625, 3899550, 5199400, 6499250, 7799100, 9748875, 12998500, 15598200, 19497750, 25997000, 38995500, 77991000]

約数ペア:

[(1, 77991000), (2, 38995500), (3, 25997000), (4, 19497750), (5, 15598200), (6, 12998500), (8, 9748875), (10, 7799100), (12, 6499250), (15, 5199400), (20, 3899550), (24, 3249625), (25, 3119640), (30, 2599700), (40, 1949775), (50, 1559820), (60, 1299850), (75, 1039880), (100, 779910), (120, 649925), (125, 623928), (150, 519940), (200, 389955), (250, 311964), (300, 259970), (375, 207976), (500, 155982), (600, 129985), (750, 103988), (1000, 77991), (1500, 51994), (3000, 25997)]