81379200

素因数分解:

$2^7\times 3^1\times 5^2\times 7^2\times {\mathrm{173}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 313607160

約数和(自身を除く): 232227960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 49, 50, 56, 60, 64, 70, 75, 80, 84, 96, 98, 100, 105, 112, 120, 128, 140, 147, 150, 160, 168, 173, 175, 192, 196, 200, 210, 224, 240, 245, 280, 294, 300, 320, 336, 346, 350, 384, 392, 400, 420, 448, 480, 490, 519, 525, 560, 588, 600, 640, 672, 692, 700, 735, 784, 800, 840, 865, 896, 960, 980, 1038, 1050, 1120, 1176, 1200, 1211, 1225, 1344, 1384, 1400, 1470, 1568, 1600, 1680, 1730, 1920, 1960, 2076, 2100, 2240, 2352, 2400, 2422, 2450, 2595, 2688, 2768, 2800, 2940, 3136, 3200, 3360, 3460, 3633, 3675, 3920, 4152, 4200, 4325, 4480, 4704, 4800, 4844, 4900, 5190, 5536, 5600, 5880, 6055, 6272, 6720, 6920, 7266, 7350, 7840, 8304, 8400, 8477, 8650, 9408, 9600, 9688, 9800, 10380, 11072, 11200, 11760, 12110, 12975, 13440, 13840, 14532, 14700, 15680, 16608, 16800, 16954, 17300, 18165, 18816, 19376, 19600, 20760, 22144, 22400, 23520, 24220, 25431, 25950, 27680, 29064, 29400, 30275, 31360, 33216, 33600, 33908, 34600, 36330, 38752, 39200, 41520, 42385, 47040, 48440, 50862, 51900, 55360, 58128, 58800, 60550, 66432, 67200, 67816, 69200, 72660, 77504, 78400, 83040, 84770, 90825, 94080, 96880, 101724, 103800, 110720, 116256, 117600, 121100, 127155, 135632, 138400, 145320, 155008, 156800, 166080, 169540, 181650, 193760, 203448, 207600, 211925, 232512, 235200, 242200, 254310, 271264, 276800, 290640, 332160, 339080, 363300, 387520, 406896, 415200, 423850, 465024, 470400, 484400, 508620, 542528, 553600, 581280, 635775, 678160, 726600, 775040, 813792, 830400, 847700, 968800, 1017240, 1085056, 1162560, 1271550, 1356320, 1453200, 1627584, 1660800, 1695400, 1937600, 2034480, 2325120, 2543100, 2712640, 2906400, 3255168, 3390800, 3875200, 4068960, 5086200, 5425280, 5812800, 6781600, 8137920, 10172400, 11625600, 13563200, 16275840, 20344800, 27126400, 40689600, 81379200]

約数ペア:

[(1, 81379200), (2, 40689600), (3, 27126400), (4, 20344800), (5, 16275840), (6, 13563200), (7, 11625600), (8, 10172400), (10, 8137920), (12, 6781600), (14, 5812800), (15, 5425280), (16, 5086200), (20, 4068960), (21, 3875200), (24, 3390800), (25, 3255168), (28, 2906400), (30, 2712640), (32, 2543100), (35, 2325120), (40, 2034480), (42, 1937600), (48, 1695400), (49, 1660800), (50, 1627584), (56, 1453200), (60, 1356320), (64, 1271550), (70, 1162560), (75, 1085056), (80, 1017240), (84, 968800), (96, 847700), (98, 830400), (100, 813792), (105, 775040), (112, 726600), (120, 678160), (128, 635775), (140, 581280), (147, 553600), (150, 542528), (160, 508620), (168, 484400), (173, 470400), (175, 465024), (192, 423850), (196, 415200), (200, 406896), (210, 387520), (224, 363300), (240, 339080), (245, 332160), (280, 290640), (294, 276800), (300, 271264), (320, 254310), (336, 242200), (346, 235200), (350, 232512), (384, 211925), (392, 207600), (400, 203448), (420, 193760), (448, 181650), (480, 169540), (490, 166080), (519, 156800), (525, 155008), (560, 145320), (588, 138400), (600, 135632), (640, 127155), (672, 121100), (692, 117600), (700, 116256), (735, 110720), (784, 103800), (800, 101724), (840, 96880), (865, 94080), (896, 90825), (960, 84770), (980, 83040), (1038, 78400), (1050, 77504), (1120, 72660), (1176, 69200), (1200, 67816), (1211, 67200), (1225, 66432), (1344, 60550), (1384, 58800), (1400, 58128), (1470, 55360), (1568, 51900), (1600, 50862), (1680, 48440), (1730, 47040), (1920, 42385), (1960, 41520), (2076, 39200), (2100, 38752), (2240, 36330), (2352, 34600), (2400, 33908), (2422, 33600), (2450, 33216), (2595, 31360), (2688, 30275), (2768, 29400), (2800, 29064), (2940, 27680), (3136, 25950), (3200, 25431), (3360, 24220), (3460, 23520), (3633, 22400), (3675, 22144), (3920, 20760), (4152, 19600), (4200, 19376), (4325, 18816), (4480, 18165), (4704, 17300), (4800, 16954), (4844, 16800), (4900, 16608), (5190, 15680), (5536, 14700), (5600, 14532), (5880, 13840), (6055, 13440), (6272, 12975), (6720, 12110), (6920, 11760), (7266, 11200), (7350, 11072), (7840, 10380), (8304, 9800), (8400, 9688), (8477, 9600), (8650, 9408)]