221988480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 256

約数和(自身を含む): 822528000

約数和(自身を除く): 600539520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 83, 84, 96, 105, 112, 120, 128, 140, 160, 166, 168, 192, 199, 210, 224, 240, 249, 280, 320, 332, 336, 384, 398, 415, 420, 448, 480, 498, 560, 581, 597, 640, 664, 672, 796, 830, 840, 896, 960, 995, 996, 1120, 1162, 1194, 1245, 1328, 1344, 1393, 1592, 1660, 1680, 1743, 1920, 1990, 1992, 2240, 2324, 2388, 2490, 2656, 2688, 2786, 2905, 2985, 3184, 3320, 3360, 3486, 3980, 3984, 4179, 4480, 4648, 4776, 4980, 5312, 5572, 5810, 5970, 6368, 6640, 6720, 6965, 6972, 7960, 7968, 8358, 8715, 9296, 9552, 9960, 10624, 11144, 11620, 11940, 12736, 13280, 13440, 13930, 13944, 15920, 15936, 16517, 16716, 17430, 18592, 19104, 19920, 20895, 22288, 23240, 23880, 25472, 26560, 27860, 27888, 31840, 31872, 33034, 33432, 34860, 37184, 38208, 39840, 41790, 44576, 46480, 47760, 49551, 53120, 55720, 55776, 63680, 66068, 66864, 69720, 74368, 76416, 79680, 82585, 83580, 89152, 92960, 95520, 99102, 111440, 111552, 115619, 127360, 132136, 133728, 139440, 159360, 165170, 167160, 178304, 185920, 191040, 198204, 222880, 223104, 231238, 247755, 264272, 267456, 278880, 330340, 334320, 346857, 371840, 382080, 396408, 445760, 462476, 495510, 528544, 534912, 557760, 578095, 660680, 668640, 693714, 792816, 891520, 924952, 991020, 1057088, 1115520, 1156190, 1321360, 1337280, 1387428, 1585632, 1734285, 1849904, 1982040, 2114176, 2312380, 2642720, 2674560, 2774856, 3171264, 3468570, 3699808, 3964080, 4624760, 5285440, 5549712, 6342528, 6937140, 7399616, 7928160, 9249520, 10570880, 11099424, 13874280, 14799232, 15856320, 18499040, 22198848, 27748560, 31712640, 36998080, 44397696, 55497120, 73996160, 110994240, 221988480]

約数ペア:

[(1, 221988480), (2, 110994240), (3, 73996160), (4, 55497120), (5, 44397696), (6, 36998080), (7, 31712640), (8, 27748560), (10, 22198848), (12, 18499040), (14, 15856320), (15, 14799232), (16, 13874280), (20, 11099424), (21, 10570880), (24, 9249520), (28, 7928160), (30, 7399616), (32, 6937140), (35, 6342528), (40, 5549712), (42, 5285440), (48, 4624760), (56, 3964080), (60, 3699808), (64, 3468570), (70, 3171264), (80, 2774856), (83, 2674560), (84, 2642720), (96, 2312380), (105, 2114176), (112, 1982040), (120, 1849904), (128, 1734285), (140, 1585632), (160, 1387428), (166, 1337280), (168, 1321360), (192, 1156190), (199, 1115520), (210, 1057088), (224, 991020), (240, 924952), (249, 891520), (280, 792816), (320, 693714), (332, 668640), (336, 660680), (384, 578095), (398, 557760), (415, 534912), (420, 528544), (448, 495510), (480, 462476), (498, 445760), (560, 396408), (581, 382080), (597, 371840), (640, 346857), (664, 334320), (672, 330340), (796, 278880), (830, 267456), (840, 264272), (896, 247755), (960, 231238), (995, 223104), (996, 222880), (1120, 198204), (1162, 191040), (1194, 185920), (1245, 178304), (1328, 167160), (1344, 165170), (1393, 159360), (1592, 139440), (1660, 133728), (1680, 132136), (1743, 127360), (1920, 115619), (1990, 111552), (1992, 111440), (2240, 99102), (2324, 95520), (2388, 92960), (2490, 89152), (2656, 83580), (2688, 82585), (2786, 79680), (2905, 76416), (2985, 74368), (3184, 69720), (3320, 66864), (3360, 66068), (3486, 63680), (3980, 55776), (3984, 55720), (4179, 53120), (4480, 49551), (4648, 47760), (4776, 46480), (4980, 44576), (5312, 41790), (5572, 39840), (5810, 38208), (5970, 37184), (6368, 34860), (6640, 33432), (6720, 33034), (6965, 31872), (6972, 31840), (7960, 27888), (7968, 27860), (8358, 26560), (8715, 25472), (9296, 23880), (9552, 23240), (9960, 22288), (10624, 20895), (11144, 19920), (11620, 19104), (11940, 18592), (12736, 17430), (13280, 16716), (13440, 16517), (13930, 15936), (13944, 15920)]