78000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1$

素因数の和:39

約数の個数: 80

約数和(自身を含む): 270816

約数和(自身を除く): 192816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 300, 312, 325, 375, 390, 400, 500, 520, 600, 624, 650, 750, 780, 975, 1000, 1040, 1200, 1300, 1500, 1560, 1625, 1950, 2000, 2600, 3000, 3120, 3250, 3900, 4875, 5200, 6000, 6500, 7800, 9750, 13000, 15600, 19500, 26000, 39000, 78000]

約数ペア:

[(1, 78000), (2, 39000), (3, 26000), (4, 19500), (5, 15600), (6, 13000), (8, 9750), (10, 7800), (12, 6500), (13, 6000), (15, 5200), (16, 4875), (20, 3900), (24, 3250), (25, 3120), (26, 3000), (30, 2600), (39, 2000), (40, 1950), (48, 1625), (50, 1560), (52, 1500), (60, 1300), (65, 1200), (75, 1040), (78, 1000), (80, 975), (100, 780), (104, 750), (120, 650), (125, 624), (130, 600), (150, 520), (156, 500), (195, 400), (200, 390), (208, 375), (240, 325), (250, 312), (260, 300)]