201222720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 168

約数和(自身を含む): 699561720

約数和(自身を除く): 498339000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 144, 160, 180, 192, 218, 240, 288, 320, 327, 360, 436, 480, 545, 576, 641, 654, 720, 872, 960, 981, 1090, 1282, 1308, 1440, 1635, 1744, 1923, 1962, 2180, 2564, 2616, 2880, 3205, 3270, 3488, 3846, 3924, 4360, 4905, 5128, 5232, 5769, 6410, 6540, 6976, 7692, 7848, 8720, 9615, 9810, 10256, 10464, 11538, 12820, 13080, 15384, 15696, 17440, 19230, 19620, 20512, 20928, 23076, 25640, 26160, 28845, 30768, 31392, 34880, 38460, 39240, 41024, 46152, 51280, 52320, 57690, 61536, 62784, 69869, 76920, 78480, 92304, 102560, 104640, 115380, 123072, 139738, 153840, 156960, 184608, 205120, 209607, 230760, 279476, 307680, 313920, 349345, 369216, 419214, 461520, 558952, 615360, 628821, 698690, 838428, 923040, 1048035, 1117904, 1257642, 1397380, 1676856, 1846080, 2096070, 2235808, 2515284, 2794760, 3144105, 3353712, 4192140, 4471616, 5030568, 5589520, 6288210, 6707424, 8384280, 10061136, 11179040, 12576420, 13414848, 16768560, 20122272, 22358080, 25152840, 33537120, 40244544, 50305680, 67074240, 100611360, 201222720]

約数ペア:

[(1, 201222720), (2, 100611360), (3, 67074240), (4, 50305680), (5, 40244544), (6, 33537120), (8, 25152840), (9, 22358080), (10, 20122272), (12, 16768560), (15, 13414848), (16, 12576420), (18, 11179040), (20, 10061136), (24, 8384280), (30, 6707424), (32, 6288210), (36, 5589520), (40, 5030568), (45, 4471616), (48, 4192140), (60, 3353712), (64, 3144105), (72, 2794760), (80, 2515284), (90, 2235808), (96, 2096070), (109, 1846080), (120, 1676856), (144, 1397380), (160, 1257642), (180, 1117904), (192, 1048035), (218, 923040), (240, 838428), (288, 698690), (320, 628821), (327, 615360), (360, 558952), (436, 461520), (480, 419214), (545, 369216), (576, 349345), (641, 313920), (654, 307680), (720, 279476), (872, 230760), (960, 209607), (981, 205120), (1090, 184608), (1282, 156960), (1308, 153840), (1440, 139738), (1635, 123072), (1744, 115380), (1923, 104640), (1962, 102560), (2180, 92304), (2564, 78480), (2616, 76920), (2880, 69869), (3205, 62784), (3270, 61536), (3488, 57690), (3846, 52320), (3924, 51280), (4360, 46152), (4905, 41024), (5128, 39240), (5232, 38460), (5769, 34880), (6410, 31392), (6540, 30768), (6976, 28845), (7692, 26160), (7848, 25640), (8720, 23076), (9615, 20928), (9810, 20512), (10256, 19620), (10464, 19230), (11538, 17440), (12820, 15696), (13080, 15384)]