81075000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 269982720

約数和(自身を除く): 188907720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 47, 50, 60, 69, 75, 92, 94, 100, 115, 120, 125, 138, 141, 150, 184, 188, 200, 230, 235, 250, 276, 282, 300, 345, 375, 376, 460, 470, 500, 552, 564, 575, 600, 625, 690, 705, 750, 920, 940, 1000, 1081, 1128, 1150, 1175, 1250, 1380, 1410, 1500, 1725, 1875, 1880, 2162, 2300, 2350, 2500, 2760, 2820, 2875, 3000, 3125, 3243, 3450, 3525, 3750, 4324, 4600, 4700, 5000, 5405, 5640, 5750, 5875, 6250, 6486, 6900, 7050, 7500, 8625, 8648, 9375, 9400, 10810, 11500, 11750, 12500, 12972, 13800, 14100, 14375, 15000, 16215, 17250, 17625, 18750, 21620, 23000, 23500, 25000, 25944, 27025, 28200, 28750, 29375, 32430, 34500, 35250, 37500, 43125, 43240, 47000, 54050, 57500, 58750, 64860, 69000, 70500, 71875, 75000, 81075, 86250, 88125, 108100, 115000, 117500, 129720, 135125, 141000, 143750, 146875, 162150, 172500, 176250, 215625, 216200, 235000, 270250, 287500, 293750, 324300, 345000, 352500, 405375, 431250, 440625, 540500, 575000, 587500, 648600, 675625, 705000, 810750, 862500, 881250, 1081000, 1175000, 1351250, 1621500, 1725000, 1762500, 2026875, 2702500, 3243000, 3378125, 3525000, 4053750, 5405000, 6756250, 8107500, 10134375, 13512500, 16215000, 20268750, 27025000, 40537500, 81075000]

約数ペア:

[(1, 81075000), (2, 40537500), (3, 27025000), (4, 20268750), (5, 16215000), (6, 13512500), (8, 10134375), (10, 8107500), (12, 6756250), (15, 5405000), (20, 4053750), (23, 3525000), (24, 3378125), (25, 3243000), (30, 2702500), (40, 2026875), (46, 1762500), (47, 1725000), (50, 1621500), (60, 1351250), (69, 1175000), (75, 1081000), (92, 881250), (94, 862500), (100, 810750), (115, 705000), (120, 675625), (125, 648600), (138, 587500), (141, 575000), (150, 540500), (184, 440625), (188, 431250), (200, 405375), (230, 352500), (235, 345000), (250, 324300), (276, 293750), (282, 287500), (300, 270250), (345, 235000), (375, 216200), (376, 215625), (460, 176250), (470, 172500), (500, 162150), (552, 146875), (564, 143750), (575, 141000), (600, 135125), (625, 129720), (690, 117500), (705, 115000), (750, 108100), (920, 88125), (940, 86250), (1000, 81075), (1081, 75000), (1128, 71875), (1150, 70500), (1175, 69000), (1250, 64860), (1380, 58750), (1410, 57500), (1500, 54050), (1725, 47000), (1875, 43240), (1880, 43125), (2162, 37500), (2300, 35250), (2350, 34500), (2500, 32430), (2760, 29375), (2820, 28750), (2875, 28200), (3000, 27025), (3125, 25944), (3243, 25000), (3450, 23500), (3525, 23000), (3750, 21620), (4324, 18750), (4600, 17625), (4700, 17250), (5000, 16215), (5405, 15000), (5640, 14375), (5750, 14100), (5875, 13800), (6250, 12972), (6486, 12500), (6900, 11750), (7050, 11500), (7500, 10810), (8625, 9400), (8648, 9375)]