639771000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19387}}^1$

素因数の和:19422

約数の個数: 128

約数和(自身を含む): 2177660160

約数和(自身を除く): 1537889160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 600, 660, 750, 825, 1000, 1100, 1320, 1375, 1500, 1650, 2200, 2750, 3000, 3300, 4125, 5500, 6600, 8250, 11000, 16500, 19387, 33000, 38774, 58161, 77548, 96935, 116322, 155096, 193870, 213257, 232644, 290805, 387740, 426514, 465288, 484675, 581610, 639771, 775480, 853028, 969350, 1066285, 1163220, 1279542, 1454025, 1706056, 1938700, 2132570, 2326440, 2423375, 2559084, 2908050, 3198855, 3877400, 4265140, 4846750, 5118168, 5331425, 5816100, 6397710, 7270125, 8530280, 9693500, 10662850, 11632200, 12795420, 14540250, 15994275, 19387000, 21325700, 25590840, 26657125, 29080500, 31988550, 42651400, 53314250, 58161000, 63977100, 79971375, 106628500, 127954200, 159942750, 213257000, 319885500, 639771000]

約数ペア:

[(1, 639771000), (2, 319885500), (3, 213257000), (4, 159942750), (5, 127954200), (6, 106628500), (8, 79971375), (10, 63977100), (11, 58161000), (12, 53314250), (15, 42651400), (20, 31988550), (22, 29080500), (24, 26657125), (25, 25590840), (30, 21325700), (33, 19387000), (40, 15994275), (44, 14540250), (50, 12795420), (55, 11632200), (60, 10662850), (66, 9693500), (75, 8530280), (88, 7270125), (100, 6397710), (110, 5816100), (120, 5331425), (125, 5118168), (132, 4846750), (150, 4265140), (165, 3877400), (200, 3198855), (220, 2908050), (250, 2559084), (264, 2423375), (275, 2326440), (300, 2132570), (330, 1938700), (375, 1706056), (440, 1454025), (500, 1279542), (550, 1163220), (600, 1066285), (660, 969350), (750, 853028), (825, 775480), (1000, 639771), (1100, 581610), (1320, 484675), (1375, 465288), (1500, 426514), (1650, 387740), (2200, 290805), (2750, 232644), (3000, 213257), (3300, 193870), (4125, 155096), (5500, 116322), (6600, 96935), (8250, 77548), (11000, 58161), (16500, 38774), (19387, 33000)]