220601920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1321

約数の個数: 168

約数和(自身を含む): 667146240

約数和(自身を除く): 446544320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 704, 770, 784, 880, 980, 1078, 1120, 1232, 1279, 1540, 1568, 1760, 1960, 2156, 2240, 2464, 2558, 2695, 3080, 3136, 3520, 3920, 4312, 4928, 5116, 5390, 6160, 6395, 7840, 8624, 8953, 10232, 10780, 12320, 12790, 14069, 15680, 17248, 17906, 20464, 21560, 24640, 25580, 28138, 34496, 35812, 40928, 43120, 44765, 51160, 56276, 62671, 70345, 71624, 81856, 86240, 89530, 98483, 102320, 112552, 125342, 140690, 143248, 172480, 179060, 196966, 204640, 225104, 250684, 281380, 286496, 313355, 358120, 393932, 409280, 450208, 492415, 501368, 562760, 572992, 626710, 689381, 716240, 787864, 900416, 984830, 1002736, 1125520, 1253420, 1378762, 1432480, 1575728, 1969660, 2005472, 2251040, 2506840, 2757524, 2864960, 3151456, 3446905, 3939320, 4010944, 4502080, 5013680, 5515048, 6302912, 6893810, 7878640, 10027360, 11030096, 13787620, 15757280, 20054720, 22060192, 27575240, 31514560, 44120384, 55150480, 110300960, 220601920]

約数ペア:

[(1, 220601920), (2, 110300960), (4, 55150480), (5, 44120384), (7, 31514560), (8, 27575240), (10, 22060192), (11, 20054720), (14, 15757280), (16, 13787620), (20, 11030096), (22, 10027360), (28, 7878640), (32, 6893810), (35, 6302912), (40, 5515048), (44, 5013680), (49, 4502080), (55, 4010944), (56, 3939320), (64, 3446905), (70, 3151456), (77, 2864960), (80, 2757524), (88, 2506840), (98, 2251040), (110, 2005472), (112, 1969660), (140, 1575728), (154, 1432480), (160, 1378762), (176, 1253420), (196, 1125520), (220, 1002736), (224, 984830), (245, 900416), (280, 787864), (308, 716240), (320, 689381), (352, 626710), (385, 572992), (392, 562760), (440, 501368), (448, 492415), (490, 450208), (539, 409280), (560, 393932), (616, 358120), (704, 313355), (770, 286496), (784, 281380), (880, 250684), (980, 225104), (1078, 204640), (1120, 196966), (1232, 179060), (1279, 172480), (1540, 143248), (1568, 140690), (1760, 125342), (1960, 112552), (2156, 102320), (2240, 98483), (2464, 89530), (2558, 86240), (2695, 81856), (3080, 71624), (3136, 70345), (3520, 62671), (3920, 56276), (4312, 51160), (4928, 44765), (5116, 43120), (5390, 40928), (6160, 35812), (6395, 34496), (7840, 28138), (8624, 25580), (8953, 24640), (10232, 21560), (10780, 20464), (12320, 17906), (12790, 17248), (14069, 15680)]