221427360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 288

約数和(自身を含む): 942544512

約数和(自身を除く): 721117152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 560, 616, 630, 660, 672, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1386, 1440, 1540, 1584, 1680, 1760, 1848, 1980, 1997, 2016, 2310, 2464, 2520, 2640, 2772, 3080, 3168, 3360, 3465, 3696, 3960, 3994, 4620, 5040, 5280, 5544, 5991, 6160, 6930, 7392, 7920, 7988, 9240, 9985, 10080, 11088, 11982, 12320, 13860, 13979, 15840, 15976, 17973, 18480, 19970, 21967, 22176, 23964, 27720, 27958, 29955, 31952, 35946, 36960, 39940, 41937, 43934, 47928, 55440, 55916, 59910, 63904, 65901, 69895, 71892, 79880, 83874, 87868, 89865, 95856, 109835, 110880, 111832, 119820, 125811, 131802, 139790, 143784, 153769, 159760, 167748, 175736, 179730, 191712, 197703, 209685, 219670, 223664, 239640, 251622, 263604, 279580, 287568, 307538, 319520, 329505, 335496, 351472, 359460, 395406, 419370, 439340, 447328, 461307, 479280, 503244, 527208, 559160, 575136, 615076, 629055, 659010, 670992, 702944, 718920, 768845, 790812, 838740, 878680, 922614, 958560, 988515, 1006488, 1054416, 1118320, 1230152, 1258110, 1318020, 1341984, 1383921, 1437840, 1537690, 1581624, 1677480, 1757360, 1845228, 1977030, 2012976, 2108832, 2236640, 2306535, 2460304, 2516220, 2636040, 2767842, 2875680, 3075380, 3163248, 3354960, 3514720, 3690456, 3954060, 4025952, 4613070, 4920608, 5032440, 5272080, 5535684, 6150760, 6326496, 6709920, 6919605, 7380912, 7908120, 9226140, 10064880, 10544160, 11071368, 12301520, 13839210, 14761824, 15816240, 18452280, 20129760, 22142736, 24603040, 27678420, 31632480, 36904560, 44285472, 55356840, 73809120, 110713680, 221427360]

約数ペア:

[(1, 221427360), (2, 110713680), (3, 73809120), (4, 55356840), (5, 44285472), (6, 36904560), (7, 31632480), (8, 27678420), (9, 24603040), (10, 22142736), (11, 20129760), (12, 18452280), (14, 15816240), (15, 14761824), (16, 13839210), (18, 12301520), (20, 11071368), (21, 10544160), (22, 10064880), (24, 9226140), (28, 7908120), (30, 7380912), (32, 6919605), (33, 6709920), (35, 6326496), (36, 6150760), (40, 5535684), (42, 5272080), (44, 5032440), (45, 4920608), (48, 4613070), (55, 4025952), (56, 3954060), (60, 3690456), (63, 3514720), (66, 3354960), (70, 3163248), (72, 3075380), (77, 2875680), (80, 2767842), (84, 2636040), (88, 2516220), (90, 2460304), (96, 2306535), (99, 2236640), (105, 2108832), (110, 2012976), (112, 1977030), (120, 1845228), (126, 1757360), (132, 1677480), (140, 1581624), (144, 1537690), (154, 1437840), (160, 1383921), (165, 1341984), (168, 1318020), (176, 1258110), (180, 1230152), (198, 1118320), (210, 1054416), (220, 1006488), (224, 988515), (231, 958560), (240, 922614), (252, 878680), (264, 838740), (280, 790812), (288, 768845), (308, 718920), (315, 702944), (330, 670992), (336, 659010), (352, 629055), (360, 615076), (385, 575136), (396, 559160), (420, 527208), (440, 503244), (462, 479280), (480, 461307), (495, 447328), (504, 439340), (528, 419370), (560, 395406), (616, 359460), (630, 351472), (660, 335496), (672, 329505), (693, 319520), (720, 307538), (770, 287568), (792, 279580), (840, 263604), (880, 251622), (924, 239640), (990, 223664), (1008, 219670), (1056, 209685), (1120, 197703), (1155, 191712), (1232, 179730), (1260, 175736), (1320, 167748), (1386, 159760), (1440, 153769), (1540, 143784), (1584, 139790), (1680, 131802), (1760, 125811), (1848, 119820), (1980, 111832), (1997, 110880), (2016, 109835), (2310, 95856), (2464, 89865), (2520, 87868), (2640, 83874), (2772, 79880), (3080, 71892), (3168, 69895), (3360, 65901), (3465, 63904), (3696, 59910), (3960, 55916), (3994, 55440), (4620, 47928), (5040, 43934), (5280, 41937), (5544, 39940), (5991, 36960), (6160, 35946), (6930, 31952), (7392, 29955), (7920, 27958), (7988, 27720), (9240, 23964), (9985, 22176), (10080, 21967), (11088, 19970), (11982, 18480), (12320, 17973), (13860, 15976), (13979, 15840)]