68004000

素因数分解:

$2^5\times 3^2\times 5^3\times {\mathrm{1889}}^1$

素因数の和:1920

約数の個数: 144

約数和(自身を含む): 241473960

約数和(自身を除く): 173469960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 200, 225, 240, 250, 288, 300, 360, 375, 400, 450, 480, 500, 600, 720, 750, 800, 900, 1000, 1125, 1200, 1440, 1500, 1800, 1889, 2000, 2250, 2400, 3000, 3600, 3778, 4000, 4500, 5667, 6000, 7200, 7556, 9000, 9445, 11334, 12000, 15112, 17001, 18000, 18890, 22668, 28335, 30224, 34002, 36000, 37780, 45336, 47225, 56670, 60448, 68004, 75560, 85005, 90672, 94450, 113340, 136008, 141675, 151120, 170010, 181344, 188900, 226680, 236125, 272016, 283350, 302240, 340020, 377800, 425025, 453360, 472250, 544032, 566700, 680040, 708375, 755600, 850050, 906720, 944500, 1133400, 1360080, 1416750, 1511200, 1700100, 1889000, 2125125, 2266800, 2720160, 2833500, 3400200, 3778000, 4250250, 4533600, 5667000, 6800400, 7556000, 8500500, 11334000, 13600800, 17001000, 22668000, 34002000, 68004000]

約数ペア:

[(1, 68004000), (2, 34002000), (3, 22668000), (4, 17001000), (5, 13600800), (6, 11334000), (8, 8500500), (9, 7556000), (10, 6800400), (12, 5667000), (15, 4533600), (16, 4250250), (18, 3778000), (20, 3400200), (24, 2833500), (25, 2720160), (30, 2266800), (32, 2125125), (36, 1889000), (40, 1700100), (45, 1511200), (48, 1416750), (50, 1360080), (60, 1133400), (72, 944500), (75, 906720), (80, 850050), (90, 755600), (96, 708375), (100, 680040), (120, 566700), (125, 544032), (144, 472250), (150, 453360), (160, 425025), (180, 377800), (200, 340020), (225, 302240), (240, 283350), (250, 272016), (288, 236125), (300, 226680), (360, 188900), (375, 181344), (400, 170010), (450, 151120), (480, 141675), (500, 136008), (600, 113340), (720, 94450), (750, 90672), (800, 85005), (900, 75560), (1000, 68004), (1125, 60448), (1200, 56670), (1440, 47225), (1500, 45336), (1800, 37780), (1889, 36000), (2000, 34002), (2250, 30224), (2400, 28335), (3000, 22668), (3600, 18890), (3778, 18000), (4000, 17001), (4500, 15112), (5667, 12000), (6000, 11334), (7200, 9445), (7556, 9000)]