81136800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 216

約数和(自身を含む): 292481280

約数和(自身を除く): 211344480

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, 59, 60, 72, 75, 80, 90, 96, 100, 118, 120, 144, 150, 160, 177, 180, 191, 200, 225, 236, 240, 288, 295, 300, 354, 360, 382, 400, 450, 472, 480, 531, 573, 590, 600, 708, 720, 764, 800, 885, 900, 944, 955, 1062, 1146, 1180, 1200, 1416, 1440, 1475, 1528, 1719, 1770, 1800, 1888, 1910, 2124, 2292, 2360, 2400, 2655, 2832, 2865, 2950, 3056, 3438, 3540, 3600, 3820, 4248, 4425, 4584, 4720, 4775, 5310, 5664, 5730, 5900, 6112, 6876, 7080, 7200, 7640, 8496, 8595, 8850, 9168, 9440, 9550, 10620, 11269, 11460, 11800, 13275, 13752, 14160, 14325, 15280, 16992, 17190, 17700, 18336, 19100, 21240, 22538, 22920, 23600, 26550, 27504, 28320, 28650, 30560, 33807, 34380, 35400, 38200, 42480, 42975, 45076, 45840, 47200, 53100, 55008, 56345, 57300, 67614, 68760, 70800, 76400, 84960, 85950, 90152, 91680, 101421, 106200, 112690, 114600, 135228, 137520, 141600, 152800, 169035, 171900, 180304, 202842, 212400, 225380, 229200, 270456, 275040, 281725, 338070, 343800, 360608, 405684, 424800, 450760, 458400, 507105, 540912, 563450, 676140, 687600, 811368, 845175, 901520, 1014210, 1081824, 1126900, 1352280, 1375200, 1622736, 1690350, 1803040, 2028420, 2253800, 2535525, 2704560, 3245472, 3380700, 4056840, 4507600, 5071050, 5409120, 6761400, 8113680, 9015200, 10142100, 13522800, 16227360, 20284200, 27045600, 40568400, 81136800]

約数ペア:

[(1, 81136800), (2, 40568400), (3, 27045600), (4, 20284200), (5, 16227360), (6, 13522800), (8, 10142100), (9, 9015200), (10, 8113680), (12, 6761400), (15, 5409120), (16, 5071050), (18, 4507600), (20, 4056840), (24, 3380700), (25, 3245472), (30, 2704560), (32, 2535525), (36, 2253800), (40, 2028420), (45, 1803040), (48, 1690350), (50, 1622736), (59, 1375200), (60, 1352280), (72, 1126900), (75, 1081824), (80, 1014210), (90, 901520), (96, 845175), (100, 811368), (118, 687600), (120, 676140), (144, 563450), (150, 540912), (160, 507105), (177, 458400), (180, 450760), (191, 424800), (200, 405684), (225, 360608), (236, 343800), (240, 338070), (288, 281725), (295, 275040), (300, 270456), (354, 229200), (360, 225380), (382, 212400), (400, 202842), (450, 180304), (472, 171900), (480, 169035), (531, 152800), (573, 141600), (590, 137520), (600, 135228), (708, 114600), (720, 112690), (764, 106200), (800, 101421), (885, 91680), (900, 90152), (944, 85950), (955, 84960), (1062, 76400), (1146, 70800), (1180, 68760), (1200, 67614), (1416, 57300), (1440, 56345), (1475, 55008), (1528, 53100), (1719, 47200), (1770, 45840), (1800, 45076), (1888, 42975), (1910, 42480), (2124, 38200), (2292, 35400), (2360, 34380), (2400, 33807), (2655, 30560), (2832, 28650), (2865, 28320), (2950, 27504), (3056, 26550), (3438, 23600), (3540, 22920), (3600, 22538), (3820, 21240), (4248, 19100), (4425, 18336), (4584, 17700), (4720, 17190), (4775, 16992), (5310, 15280), (5664, 14325), (5730, 14160), (5900, 13752), (6112, 13275), (6876, 11800), (7080, 11460), (7200, 11269), (7640, 10620), (8496, 9550), (8595, 9440), (8850, 9168)]