About the Number

121812480

121812479 ← → 121812481

2進数表記:111010000101011011000000000

漢数字表記:一億二千百八十一万二千四百八十

素因数分解:

2 9 × 3 2 × 5 1 × 17 1 × 311 1

素因数の和:357
約数の個数: 240
約数和(自身を含む): 448123104
約数和(自身を除く): 326310624

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 311, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 622, 640, 680, 720, 765, 768, 816, 933, 960, 1020, 1088, 1152, 1224, 1244, 1280, 1360, 1440, 1530, 1536, 1555, 1632, 1866, 1920, 2040, 2176, 2304, 2448, 2488, 2560, 2720, 2799, 2880, 3060, 3110, 3264, 3732, 3840, 4080, 4352, 4608, 4665, 4896, 4976, 5287, 5440, 5598, 5760, 6120, 6220, 6528, 7464, 7680, 8160, 8704, 9330, 9792, 9952, 10574, 10880, 11196, 11520, 12240, 12440, 13056, 13995, 14928, 15861, 16320, 18660, 19584, 19904, 21148, 21760, 22392, 23040, 24480, 24880, 26112, 26435, 27990, 29856, 31722, 32640, 37320, 39168, 39808, 42296, 43520, 44784, 47583, 48960, 49760, 52870, 55980, 59712, 63444, 65280, 74640, 78336, 79305, 79616, 84592, 89568, 95166, 97920, 99520, 105740, 111960, 119424, 126888, 130560, 149280, 158610, 159232, 169184, 179136, 190332, 195840, 199040, 211480, 223920, 237915, 238848, 253776, 298560, 317220, 338368, 358272, 380664, 391680, 398080, 422960, 447840, 475830, 477696, 507552, 597120, 634440, 676736, 716544, 761328, 796160, 845920, 895680, 951660, 1015104, 1194240, 1268880, 1353472, 1433088, 1522656, 1691840, 1791360, 1903320, 2030208, 2388480, 2537760, 2706944, 3045312, 3383680, 3582720, 3806640, 4060416, 5075520, 6090624, 6767360, 7165440, 7613280, 8120832, 10151040, 12181248, 13534720, 15226560, 20302080, 24362496, 30453120, 40604160, 60906240, 121812480]

約数ペア:
[(1, 121812480), (2, 60906240), (3, 40604160), (4, 30453120), (5, 24362496), (6, 20302080), (8, 15226560), (9, 13534720), (10, 12181248), (12, 10151040), (15, 8120832), (16, 7613280), (17, 7165440), (18, 6767360), (20, 6090624), (24, 5075520), (30, 4060416), (32, 3806640), (34, 3582720), (36, 3383680), (40, 3045312), (45, 2706944), (48, 2537760), (51, 2388480), (60, 2030208), (64, 1903320), (68, 1791360), (72, 1691840), (80, 1522656), (85, 1433088), (90, 1353472), (96, 1268880), (102, 1194240), (120, 1015104), (128, 951660), (136, 895680), (144, 845920), (153, 796160), (160, 761328), (170, 716544), (180, 676736), (192, 634440), (204, 597120), (240, 507552), (255, 477696), (256, 475830), (272, 447840), (288, 422960), (306, 398080), (311, 391680), (320, 380664), (340, 358272), (360, 338368), (384, 317220), (408, 298560), (480, 253776), (510, 238848), (512, 237915), (544, 223920), (576, 211480), (612, 199040), (622, 195840), (640, 190332), (680, 179136), (720, 169184), (765, 159232), (768, 158610), (816, 149280), (933, 130560), (960, 126888), (1020, 119424), (1088, 111960), (1152, 105740), (1224, 99520), (1244, 97920), (1280, 95166), (1360, 89568), (1440, 84592), (1530, 79616), (1536, 79305), (1555, 78336), (1632, 74640), (1866, 65280), (1920, 63444), (2040, 59712), (2176, 55980), (2304, 52870), (2448, 49760), (2488, 48960), (2560, 47583), (2720, 44784), (2799, 43520), (2880, 42296), (3060, 39808), (3110, 39168), (3264, 37320), (3732, 32640), (3840, 31722), (4080, 29856), (4352, 27990), (4608, 26435), (4665, 26112), (4896, 24880), (4976, 24480), (5287, 23040), (5440, 22392), (5598, 21760), (5760, 21148), (6120, 19904), (6220, 19584), (6528, 18660), (7464, 16320), (7680, 15861), (8160, 14928), (8704, 13995), (9330, 13056), (9792, 12440), (9952, 12240), (10574, 11520), (10880, 11196)]

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