220654080

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 240

約数和(自身を含む): 781662024

約数和(自身を除く): 561007944

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, 61, 64, 72, 80, 90, 96, 120, 122, 128, 144, 157, 160, 180, 183, 192, 240, 244, 256, 288, 305, 314, 320, 360, 366, 384, 471, 480, 488, 512, 549, 576, 610, 628, 640, 720, 732, 768, 785, 915, 942, 960, 976, 1098, 1152, 1220, 1256, 1280, 1413, 1440, 1464, 1536, 1570, 1830, 1884, 1920, 1952, 2196, 2304, 2355, 2440, 2512, 2560, 2745, 2826, 2880, 2928, 3140, 3660, 3768, 3840, 3904, 4392, 4608, 4710, 4880, 5024, 5490, 5652, 5760, 5856, 6280, 7065, 7320, 7536, 7680, 7808, 8784, 9420, 9577, 9760, 10048, 10980, 11304, 11520, 11712, 12560, 14130, 14640, 15072, 15616, 17568, 18840, 19154, 19520, 20096, 21960, 22608, 23040, 23424, 25120, 28260, 28731, 29280, 30144, 31232, 35136, 37680, 38308, 39040, 40192, 43920, 45216, 46848, 47885, 50240, 56520, 57462, 58560, 60288, 70272, 75360, 76616, 78080, 80384, 86193, 87840, 90432, 93696, 95770, 100480, 113040, 114924, 117120, 120576, 140544, 143655, 150720, 153232, 156160, 172386, 175680, 180864, 191540, 200960, 226080, 229848, 234240, 241152, 281088, 287310, 301440, 306464, 344772, 351360, 361728, 383080, 401920, 430965, 452160, 459696, 468480, 574620, 602880, 612928, 689544, 702720, 723456, 766160, 861930, 904320, 919392, 1149240, 1205760, 1225856, 1379088, 1405440, 1532320, 1723860, 1808640, 1838784, 2298480, 2451712, 2758176, 3064640, 3447720, 3617280, 3677568, 4596960, 4903424, 5516352, 6129280, 6895440, 7355136, 9193920, 11032704, 12258560, 13790880, 14710272, 18387840, 22065408, 24517120, 27581760, 36775680, 44130816, 55163520, 73551360, 110327040, 220654080]

約数ペア:

[(1, 220654080), (2, 110327040), (3, 73551360), (4, 55163520), (5, 44130816), (6, 36775680), (8, 27581760), (9, 24517120), (10, 22065408), (12, 18387840), (15, 14710272), (16, 13790880), (18, 12258560), (20, 11032704), (24, 9193920), (30, 7355136), (32, 6895440), (36, 6129280), (40, 5516352), (45, 4903424), (48, 4596960), (60, 3677568), (61, 3617280), (64, 3447720), (72, 3064640), (80, 2758176), (90, 2451712), (96, 2298480), (120, 1838784), (122, 1808640), (128, 1723860), (144, 1532320), (157, 1405440), (160, 1379088), (180, 1225856), (183, 1205760), (192, 1149240), (240, 919392), (244, 904320), (256, 861930), (288, 766160), (305, 723456), (314, 702720), (320, 689544), (360, 612928), (366, 602880), (384, 574620), (471, 468480), (480, 459696), (488, 452160), (512, 430965), (549, 401920), (576, 383080), (610, 361728), (628, 351360), (640, 344772), (720, 306464), (732, 301440), (768, 287310), (785, 281088), (915, 241152), (942, 234240), (960, 229848), (976, 226080), (1098, 200960), (1152, 191540), (1220, 180864), (1256, 175680), (1280, 172386), (1413, 156160), (1440, 153232), (1464, 150720), (1536, 143655), (1570, 140544), (1830, 120576), (1884, 117120), (1920, 114924), (1952, 113040), (2196, 100480), (2304, 95770), (2355, 93696), (2440, 90432), (2512, 87840), (2560, 86193), (2745, 80384), (2826, 78080), (2880, 76616), (2928, 75360), (3140, 70272), (3660, 60288), (3768, 58560), (3840, 57462), (3904, 56520), (4392, 50240), (4608, 47885), (4710, 46848), (4880, 45216), (5024, 43920), (5490, 40192), (5652, 39040), (5760, 38308), (5856, 37680), (6280, 35136), (7065, 31232), (7320, 30144), (7536, 29280), (7680, 28731), (7808, 28260), (8784, 25120), (9420, 23424), (9577, 23040), (9760, 22608), (10048, 21960), (10980, 20096), (11304, 19520), (11520, 19154), (11712, 18840), (12560, 17568), (14130, 15616), (14640, 15072)]