78915000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{5261}}^1$

素因数の和:5290

約数の個数: 80

約数和(自身を含む): 246577320

約数和(自身を除く): 167662320

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, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 5261, 7500, 10522, 15000, 15783, 21044, 26305, 31566, 42088, 52610, 63132, 78915, 105220, 126264, 131525, 157830, 210440, 263050, 315660, 394575, 526100, 631320, 657625, 789150, 1052200, 1315250, 1578300, 1972875, 2630500, 3156600, 3288125, 3945750, 5261000, 6576250, 7891500, 9864375, 13152500, 15783000, 19728750, 26305000, 39457500, 78915000]

約数ペア:

[(1, 78915000), (2, 39457500), (3, 26305000), (4, 19728750), (5, 15783000), (6, 13152500), (8, 9864375), (10, 7891500), (12, 6576250), (15, 5261000), (20, 3945750), (24, 3288125), (25, 3156600), (30, 2630500), (40, 1972875), (50, 1578300), (60, 1315250), (75, 1052200), (100, 789150), (120, 657625), (125, 631320), (150, 526100), (200, 394575), (250, 315660), (300, 263050), (375, 210440), (500, 157830), (600, 131525), (625, 126264), (750, 105220), (1000, 78915), (1250, 63132), (1500, 52610), (1875, 42088), (2500, 31566), (3000, 26305), (3750, 21044), (5000, 15783), (5261, 15000), (7500, 10522)]