81871200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 216

約数和(自身を含む): 294309288

約数和(自身を除く): 212438088

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, 83, 90, 96, 100, 120, 137, 144, 150, 160, 166, 180, 200, 225, 240, 249, 274, 288, 300, 332, 360, 400, 411, 415, 450, 480, 498, 548, 600, 664, 685, 720, 747, 800, 822, 830, 900, 996, 1096, 1200, 1233, 1245, 1328, 1370, 1440, 1494, 1644, 1660, 1800, 1992, 2055, 2075, 2192, 2400, 2466, 2490, 2656, 2740, 2988, 3288, 3320, 3425, 3600, 3735, 3984, 4110, 4150, 4384, 4932, 4980, 5480, 5976, 6165, 6225, 6576, 6640, 6850, 7200, 7470, 7968, 8220, 8300, 9864, 9960, 10275, 10960, 11371, 11952, 12330, 12450, 13152, 13280, 13700, 14940, 16440, 16600, 18675, 19728, 19920, 20550, 21920, 22742, 23904, 24660, 24900, 27400, 29880, 30825, 32880, 33200, 34113, 37350, 39456, 39840, 41100, 45484, 49320, 49800, 54800, 56855, 59760, 61650, 65760, 66400, 68226, 74700, 82200, 90968, 98640, 99600, 102339, 109600, 113710, 119520, 123300, 136452, 149400, 164400, 170565, 181936, 197280, 199200, 204678, 227420, 246600, 272904, 284275, 298800, 328800, 341130, 363872, 409356, 454840, 493200, 511695, 545808, 568550, 597600, 682260, 818712, 852825, 909680, 986400, 1023390, 1091616, 1137100, 1364520, 1637424, 1705650, 1819360, 2046780, 2274200, 2558475, 2729040, 3274848, 3411300, 4093560, 4548400, 5116950, 5458080, 6822600, 8187120, 9096800, 10233900, 13645200, 16374240, 20467800, 27290400, 40935600, 81871200]

約数ペア:

[(1, 81871200), (2, 40935600), (3, 27290400), (4, 20467800), (5, 16374240), (6, 13645200), (8, 10233900), (9, 9096800), (10, 8187120), (12, 6822600), (15, 5458080), (16, 5116950), (18, 4548400), (20, 4093560), (24, 3411300), (25, 3274848), (30, 2729040), (32, 2558475), (36, 2274200), (40, 2046780), (45, 1819360), (48, 1705650), (50, 1637424), (60, 1364520), (72, 1137100), (75, 1091616), (80, 1023390), (83, 986400), (90, 909680), (96, 852825), (100, 818712), (120, 682260), (137, 597600), (144, 568550), (150, 545808), (160, 511695), (166, 493200), (180, 454840), (200, 409356), (225, 363872), (240, 341130), (249, 328800), (274, 298800), (288, 284275), (300, 272904), (332, 246600), (360, 227420), (400, 204678), (411, 199200), (415, 197280), (450, 181936), (480, 170565), (498, 164400), (548, 149400), (600, 136452), (664, 123300), (685, 119520), (720, 113710), (747, 109600), (800, 102339), (822, 99600), (830, 98640), (900, 90968), (996, 82200), (1096, 74700), (1200, 68226), (1233, 66400), (1245, 65760), (1328, 61650), (1370, 59760), (1440, 56855), (1494, 54800), (1644, 49800), (1660, 49320), (1800, 45484), (1992, 41100), (2055, 39840), (2075, 39456), (2192, 37350), (2400, 34113), (2466, 33200), (2490, 32880), (2656, 30825), (2740, 29880), (2988, 27400), (3288, 24900), (3320, 24660), (3425, 23904), (3600, 22742), (3735, 21920), (3984, 20550), (4110, 19920), (4150, 19728), (4384, 18675), (4932, 16600), (4980, 16440), (5480, 14940), (5976, 13700), (6165, 13280), (6225, 13152), (6576, 12450), (6640, 12330), (6850, 11952), (7200, 11371), (7470, 10960), (7968, 10275), (8220, 9960), (8300, 9864)]