81487800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2663}}^1$

素因数の和:2702

約数の個数: 144

約数和(自身を含む): 289869840

約数和(自身を除く): 208382040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 136, 150, 153, 170, 180, 200, 204, 225, 255, 300, 306, 340, 360, 408, 425, 450, 510, 600, 612, 680, 765, 850, 900, 1020, 1224, 1275, 1530, 1700, 1800, 2040, 2550, 2663, 3060, 3400, 3825, 5100, 5326, 6120, 7650, 7989, 10200, 10652, 13315, 15300, 15978, 21304, 23967, 26630, 30600, 31956, 39945, 45271, 47934, 53260, 63912, 66575, 79890, 90542, 95868, 106520, 119835, 133150, 135813, 159780, 181084, 191736, 199725, 226355, 239670, 266300, 271626, 319560, 362168, 399450, 407439, 452710, 479340, 532600, 543252, 599175, 679065, 798900, 814878, 905420, 958680, 1086504, 1131775, 1198350, 1358130, 1597800, 1629756, 1810840, 2037195, 2263550, 2396700, 2716260, 3259512, 3395325, 4074390, 4527100, 4793400, 5432520, 6790650, 8148780, 9054200, 10185975, 13581300, 16297560, 20371950, 27162600, 40743900, 81487800]

約数ペア:

[(1, 81487800), (2, 40743900), (3, 27162600), (4, 20371950), (5, 16297560), (6, 13581300), (8, 10185975), (9, 9054200), (10, 8148780), (12, 6790650), (15, 5432520), (17, 4793400), (18, 4527100), (20, 4074390), (24, 3395325), (25, 3259512), (30, 2716260), (34, 2396700), (36, 2263550), (40, 2037195), (45, 1810840), (50, 1629756), (51, 1597800), (60, 1358130), (68, 1198350), (72, 1131775), (75, 1086504), (85, 958680), (90, 905420), (100, 814878), (102, 798900), (120, 679065), (136, 599175), (150, 543252), (153, 532600), (170, 479340), (180, 452710), (200, 407439), (204, 399450), (225, 362168), (255, 319560), (300, 271626), (306, 266300), (340, 239670), (360, 226355), (408, 199725), (425, 191736), (450, 181084), (510, 159780), (600, 135813), (612, 133150), (680, 119835), (765, 106520), (850, 95868), (900, 90542), (1020, 79890), (1224, 66575), (1275, 63912), (1530, 53260), (1700, 47934), (1800, 45271), (2040, 39945), (2550, 31956), (2663, 30600), (3060, 26630), (3400, 23967), (3825, 21304), (5100, 15978), (5326, 15300), (6120, 13315), (7650, 10652), (7989, 10200)]