81140400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 240

約数和(自身を含む): 315515520

約数和(自身を除く): 234375120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 27, 30, 33, 36, 40, 44, 45, 48, 50, 54, 55, 60, 66, 72, 75, 80, 88, 90, 99, 100, 108, 110, 120, 132, 135, 144, 150, 165, 176, 180, 198, 200, 216, 220, 225, 240, 264, 270, 275, 297, 300, 330, 360, 396, 400, 432, 440, 450, 495, 528, 540, 550, 594, 600, 660, 675, 683, 720, 792, 825, 880, 900, 990, 1080, 1100, 1188, 1200, 1320, 1350, 1366, 1485, 1584, 1650, 1800, 1980, 2049, 2160, 2200, 2376, 2475, 2640, 2700, 2732, 2970, 3300, 3415, 3600, 3960, 4098, 4400, 4752, 4950, 5400, 5464, 5940, 6147, 6600, 6830, 7425, 7513, 7920, 8196, 9900, 10245, 10800, 10928, 11880, 12294, 13200, 13660, 14850, 15026, 16392, 17075, 18441, 19800, 20490, 22539, 23760, 24588, 27320, 29700, 30052, 30735, 32784, 34150, 36882, 37565, 39600, 40980, 45078, 49176, 51225, 54640, 59400, 60104, 61470, 67617, 68300, 73764, 75130, 81960, 90156, 92205, 98352, 102450, 112695, 118800, 120208, 122940, 135234, 136600, 147528, 150260, 153675, 163920, 180312, 184410, 187825, 202851, 204900, 225390, 245880, 270468, 273200, 295056, 300520, 307350, 338085, 360624, 368820, 375650, 405702, 409800, 450780, 461025, 491760, 540936, 563475, 601040, 614700, 676170, 737640, 751300, 811404, 819600, 901560, 922050, 1014255, 1081872, 1126950, 1229400, 1352340, 1475280, 1502600, 1622808, 1690425, 1803120, 1844100, 2028510, 2253900, 2458800, 2704680, 3005200, 3245616, 3380850, 3688200, 4057020, 4507800, 5071275, 5409360, 6761700, 7376400, 8114040, 9015600, 10142550, 13523400, 16228080, 20285100, 27046800, 40570200, 81140400]

約数ペア:

[(1, 81140400), (2, 40570200), (3, 27046800), (4, 20285100), (5, 16228080), (6, 13523400), (8, 10142550), (9, 9015600), (10, 8114040), (11, 7376400), (12, 6761700), (15, 5409360), (16, 5071275), (18, 4507800), (20, 4057020), (22, 3688200), (24, 3380850), (25, 3245616), (27, 3005200), (30, 2704680), (33, 2458800), (36, 2253900), (40, 2028510), (44, 1844100), (45, 1803120), (48, 1690425), (50, 1622808), (54, 1502600), (55, 1475280), (60, 1352340), (66, 1229400), (72, 1126950), (75, 1081872), (80, 1014255), (88, 922050), (90, 901560), (99, 819600), (100, 811404), (108, 751300), (110, 737640), (120, 676170), (132, 614700), (135, 601040), (144, 563475), (150, 540936), (165, 491760), (176, 461025), (180, 450780), (198, 409800), (200, 405702), (216, 375650), (220, 368820), (225, 360624), (240, 338085), (264, 307350), (270, 300520), (275, 295056), (297, 273200), (300, 270468), (330, 245880), (360, 225390), (396, 204900), (400, 202851), (432, 187825), (440, 184410), (450, 180312), (495, 163920), (528, 153675), (540, 150260), (550, 147528), (594, 136600), (600, 135234), (660, 122940), (675, 120208), (683, 118800), (720, 112695), (792, 102450), (825, 98352), (880, 92205), (900, 90156), (990, 81960), (1080, 75130), (1100, 73764), (1188, 68300), (1200, 67617), (1320, 61470), (1350, 60104), (1366, 59400), (1485, 54640), (1584, 51225), (1650, 49176), (1800, 45078), (1980, 40980), (2049, 39600), (2160, 37565), (2200, 36882), (2376, 34150), (2475, 32784), (2640, 30735), (2700, 30052), (2732, 29700), (2970, 27320), (3300, 24588), (3415, 23760), (3600, 22539), (3960, 20490), (4098, 19800), (4400, 18441), (4752, 17075), (4950, 16392), (5400, 15026), (5464, 14850), (5940, 13660), (6147, 13200), (6600, 12294), (6830, 11880), (7425, 10928), (7513, 10800), (7920, 10245), (8196, 9900)]