28008000

素因数分解:

$2^6\times 3^2\times 5^3\times {\mathrm{389}}^1$

素因数の和:422

約数の個数: 168

約数和(自身を含む): 100446840

約数和(自身を除く): 72438840

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, 64, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 389, 400, 450, 480, 500, 576, 600, 720, 750, 778, 800, 900, 960, 1000, 1125, 1167, 1200, 1440, 1500, 1556, 1600, 1800, 1945, 2000, 2250, 2334, 2400, 2880, 3000, 3112, 3501, 3600, 3890, 4000, 4500, 4668, 4800, 5835, 6000, 6224, 7002, 7200, 7780, 8000, 9000, 9336, 9725, 11670, 12000, 12448, 14004, 14400, 15560, 17505, 18000, 18672, 19450, 23340, 24000, 24896, 28008, 29175, 31120, 35010, 36000, 37344, 38900, 46680, 48625, 56016, 58350, 62240, 70020, 72000, 74688, 77800, 87525, 93360, 97250, 112032, 116700, 124480, 140040, 145875, 155600, 175050, 186720, 194500, 224064, 233400, 280080, 291750, 311200, 350100, 373440, 389000, 437625, 466800, 560160, 583500, 622400, 700200, 778000, 875250, 933600, 1120320, 1167000, 1400400, 1556000, 1750500, 1867200, 2334000, 2800800, 3112000, 3501000, 4668000, 5601600, 7002000, 9336000, 14004000, 28008000]

約数ペア:

[(1, 28008000), (2, 14004000), (3, 9336000), (4, 7002000), (5, 5601600), (6, 4668000), (8, 3501000), (9, 3112000), (10, 2800800), (12, 2334000), (15, 1867200), (16, 1750500), (18, 1556000), (20, 1400400), (24, 1167000), (25, 1120320), (30, 933600), (32, 875250), (36, 778000), (40, 700200), (45, 622400), (48, 583500), (50, 560160), (60, 466800), (64, 437625), (72, 389000), (75, 373440), (80, 350100), (90, 311200), (96, 291750), (100, 280080), (120, 233400), (125, 224064), (144, 194500), (150, 186720), (160, 175050), (180, 155600), (192, 145875), (200, 140040), (225, 124480), (240, 116700), (250, 112032), (288, 97250), (300, 93360), (320, 87525), (360, 77800), (375, 74688), (389, 72000), (400, 70020), (450, 62240), (480, 58350), (500, 56016), (576, 48625), (600, 46680), (720, 38900), (750, 37344), (778, 36000), (800, 35010), (900, 31120), (960, 29175), (1000, 28008), (1125, 24896), (1167, 24000), (1200, 23340), (1440, 19450), (1500, 18672), (1556, 18000), (1600, 17505), (1800, 15560), (1945, 14400), (2000, 14004), (2250, 12448), (2334, 12000), (2400, 11670), (2880, 9725), (3000, 9336), (3112, 9000), (3501, 8000), (3600, 7780), (3890, 7200), (4000, 7002), (4500, 6224), (4668, 6000), (4800, 5835)]