78465000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{5231}}^1$

素因数の和:5260

約数の個数: 80

約数和(自身を含む): 245171520

約数和(自身を除く): 166706520

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, 5231, 7500, 10462, 15000, 15693, 20924, 26155, 31386, 41848, 52310, 62772, 78465, 104620, 125544, 130775, 156930, 209240, 261550, 313860, 392325, 523100, 627720, 653875, 784650, 1046200, 1307750, 1569300, 1961625, 2615500, 3138600, 3269375, 3923250, 5231000, 6538750, 7846500, 9808125, 13077500, 15693000, 19616250, 26155000, 39232500, 78465000]

約数ペア:

[(1, 78465000), (2, 39232500), (3, 26155000), (4, 19616250), (5, 15693000), (6, 13077500), (8, 9808125), (10, 7846500), (12, 6538750), (15, 5231000), (20, 3923250), (24, 3269375), (25, 3138600), (30, 2615500), (40, 1961625), (50, 1569300), (60, 1307750), (75, 1046200), (100, 784650), (120, 653875), (125, 627720), (150, 523100), (200, 392325), (250, 313860), (300, 261550), (375, 209240), (500, 156930), (600, 130775), (625, 125544), (750, 104620), (1000, 78465), (1250, 62772), (1500, 52310), (1875, 41848), (2500, 31386), (3000, 26155), (3750, 20924), (5000, 15693), (5231, 15000), (7500, 10462)]