1801732500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{80077}}^1$

素因数の和:80107

約数の個数: 90

約数和(自身を含む): 5691223538

約数和(自身を除く): 3889491038

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3750, 4500, 5625, 7500, 11250, 22500, 80077, 160154, 240231, 320308, 400385, 480462, 720693, 800770, 960924, 1201155, 1441386, 1601540, 2001925, 2402310, 2882772, 3603465, 4003850, 4804620, 6005775, 7206930, 8007700, 10009625, 12011550, 14413860, 18017325, 20019250, 24023100, 30028875, 36034650, 40038500, 50048125, 60057750, 72069300, 90086625, 100096250, 120115500, 150144375, 180173250, 200192500, 300288750, 360346500, 450433125, 600577500, 900866250, 1801732500]

約数ペア:

[(1, 1801732500), (2, 900866250), (3, 600577500), (4, 450433125), (5, 360346500), (6, 300288750), (9, 200192500), (10, 180173250), (12, 150144375), (15, 120115500), (18, 100096250), (20, 90086625), (25, 72069300), (30, 60057750), (36, 50048125), (45, 40038500), (50, 36034650), (60, 30028875), (75, 24023100), (90, 20019250), (100, 18017325), (125, 14413860), (150, 12011550), (180, 10009625), (225, 8007700), (250, 7206930), (300, 6005775), (375, 4804620), (450, 4003850), (500, 3603465), (625, 2882772), (750, 2402310), (900, 2001925), (1125, 1601540), (1250, 1441386), (1500, 1201155), (1875, 960924), (2250, 800770), (2500, 720693), (3750, 480462), (4500, 400385), (5625, 320308), (7500, 240231), (11250, 160154), (22500, 80077)]