261489000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:988

約数の個数: 128

約数和(自身を含む): 824878080

約数和(自身を除く): 563389080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 101, 120, 125, 150, 200, 202, 250, 300, 303, 375, 404, 500, 505, 600, 606, 750, 808, 863, 1000, 1010, 1212, 1500, 1515, 1726, 2020, 2424, 2525, 2589, 3000, 3030, 3452, 4040, 4315, 5050, 5178, 6060, 6904, 7575, 8630, 10100, 10356, 12120, 12625, 12945, 15150, 17260, 20200, 20712, 21575, 25250, 25890, 30300, 34520, 37875, 43150, 50500, 51780, 60600, 64725, 75750, 86300, 87163, 101000, 103560, 107875, 129450, 151500, 172600, 174326, 215750, 258900, 261489, 303000, 323625, 348652, 431500, 435815, 517800, 522978, 647250, 697304, 863000, 871630, 1045956, 1294500, 1307445, 1743260, 2091912, 2179075, 2589000, 2614890, 3486520, 4358150, 5229780, 6537225, 8716300, 10459560, 10895375, 13074450, 17432600, 21790750, 26148900, 32686125, 43581500, 52297800, 65372250, 87163000, 130744500, 261489000]

約数ペア:

[(1, 261489000), (2, 130744500), (3, 87163000), (4, 65372250), (5, 52297800), (6, 43581500), (8, 32686125), (10, 26148900), (12, 21790750), (15, 17432600), (20, 13074450), (24, 10895375), (25, 10459560), (30, 8716300), (40, 6537225), (50, 5229780), (60, 4358150), (75, 3486520), (100, 2614890), (101, 2589000), (120, 2179075), (125, 2091912), (150, 1743260), (200, 1307445), (202, 1294500), (250, 1045956), (300, 871630), (303, 863000), (375, 697304), (404, 647250), (500, 522978), (505, 517800), (600, 435815), (606, 431500), (750, 348652), (808, 323625), (863, 303000), (1000, 261489), (1010, 258900), (1212, 215750), (1500, 174326), (1515, 172600), (1726, 151500), (2020, 129450), (2424, 107875), (2525, 103560), (2589, 101000), (3000, 87163), (3030, 86300), (3452, 75750), (4040, 64725), (4315, 60600), (5050, 51780), (5178, 50500), (6060, 43150), (6904, 37875), (7575, 34520), (8630, 30300), (10100, 25890), (10356, 25250), (12120, 21575), (12625, 20712), (12945, 20200), (15150, 17260)]