221374080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 256

約数和(自身を含む): 819590400

約数和(自身を除く): 598216320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 384, 414, 432, 460, 480, 540, 552, 557, 576, 621, 640, 690, 720, 736, 828, 864, 920, 960, 1035, 1080, 1104, 1114, 1152, 1242, 1380, 1440, 1472, 1656, 1671, 1728, 1840, 1920, 2070, 2160, 2208, 2228, 2484, 2760, 2785, 2880, 2944, 3105, 3312, 3342, 3456, 3680, 4140, 4320, 4416, 4456, 4968, 5013, 5520, 5570, 5760, 6210, 6624, 6684, 7360, 8280, 8355, 8640, 8832, 8912, 9936, 10026, 11040, 11140, 12420, 12811, 13248, 13368, 14720, 15039, 16560, 16710, 17280, 17824, 19872, 20052, 22080, 22280, 24840, 25065, 25622, 26496, 26736, 30078, 33120, 33420, 35648, 38433, 39744, 40104, 44160, 44560, 49680, 50130, 51244, 53472, 60156, 64055, 66240, 66840, 71296, 75195, 76866, 79488, 80208, 89120, 99360, 100260, 102488, 106944, 115299, 120312, 128110, 132480, 133680, 150390, 153732, 160416, 178240, 192165, 198720, 200520, 204976, 213888, 230598, 240624, 256220, 267360, 300780, 307464, 320832, 345897, 356480, 384330, 397440, 401040, 409952, 461196, 481248, 512440, 534720, 576495, 601560, 614928, 641664, 691794, 768660, 802080, 819904, 922392, 962496, 1024880, 1069440, 1152990, 1203120, 1229856, 1383588, 1537320, 1604160, 1639808, 1729485, 1844784, 1924992, 2049760, 2305980, 2406240, 2459712, 2767176, 3074640, 3208320, 3458970, 3689568, 4099520, 4611960, 4812480, 4919424, 5534352, 6149280, 6917940, 7379136, 8199040, 9223920, 9624960, 11068704, 12298560, 13835880, 14758272, 18447840, 22137408, 24597120, 27671760, 36895680, 44274816, 55343520, 73791360, 110687040, 221374080]

約数ペア:

[(1, 221374080), (2, 110687040), (3, 73791360), (4, 55343520), (5, 44274816), (6, 36895680), (8, 27671760), (9, 24597120), (10, 22137408), (12, 18447840), (15, 14758272), (16, 13835880), (18, 12298560), (20, 11068704), (23, 9624960), (24, 9223920), (27, 8199040), (30, 7379136), (32, 6917940), (36, 6149280), (40, 5534352), (45, 4919424), (46, 4812480), (48, 4611960), (54, 4099520), (60, 3689568), (64, 3458970), (69, 3208320), (72, 3074640), (80, 2767176), (90, 2459712), (92, 2406240), (96, 2305980), (108, 2049760), (115, 1924992), (120, 1844784), (128, 1729485), (135, 1639808), (138, 1604160), (144, 1537320), (160, 1383588), (180, 1229856), (184, 1203120), (192, 1152990), (207, 1069440), (216, 1024880), (230, 962496), (240, 922392), (270, 819904), (276, 802080), (288, 768660), (320, 691794), (345, 641664), (360, 614928), (368, 601560), (384, 576495), (414, 534720), (432, 512440), (460, 481248), (480, 461196), (540, 409952), (552, 401040), (557, 397440), (576, 384330), (621, 356480), (640, 345897), (690, 320832), (720, 307464), (736, 300780), (828, 267360), (864, 256220), (920, 240624), (960, 230598), (1035, 213888), (1080, 204976), (1104, 200520), (1114, 198720), (1152, 192165), (1242, 178240), (1380, 160416), (1440, 153732), (1472, 150390), (1656, 133680), (1671, 132480), (1728, 128110), (1840, 120312), (1920, 115299), (2070, 106944), (2160, 102488), (2208, 100260), (2228, 99360), (2484, 89120), (2760, 80208), (2785, 79488), (2880, 76866), (2944, 75195), (3105, 71296), (3312, 66840), (3342, 66240), (3456, 64055), (3680, 60156), (4140, 53472), (4320, 51244), (4416, 50130), (4456, 49680), (4968, 44560), (5013, 44160), (5520, 40104), (5570, 39744), (5760, 38433), (6210, 35648), (6624, 33420), (6684, 33120), (7360, 30078), (8280, 26736), (8355, 26496), (8640, 25622), (8832, 25065), (8912, 24840), (9936, 22280), (10026, 22080), (11040, 20052), (11140, 19872), (12420, 17824), (12811, 17280), (13248, 16710), (13368, 16560), (14720, 15039)]