221260480

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 168

約数和(自身を含む): 623364768

約数和(自身を除く): 402104288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 103, 112, 137, 140, 160, 196, 206, 224, 245, 274, 280, 320, 392, 412, 448, 490, 515, 548, 560, 685, 721, 784, 824, 959, 980, 1030, 1096, 1120, 1370, 1442, 1568, 1648, 1918, 1960, 2060, 2192, 2240, 2740, 2884, 3136, 3296, 3605, 3836, 3920, 4120, 4384, 4795, 5047, 5480, 5768, 6592, 6713, 7210, 7672, 7840, 8240, 8768, 9590, 10094, 10960, 11536, 13426, 14111, 14420, 15344, 15680, 16480, 19180, 20188, 21920, 23072, 25235, 26852, 28222, 28840, 30688, 32960, 33565, 38360, 40376, 43840, 46144, 50470, 53704, 56444, 57680, 61376, 67130, 70555, 76720, 80752, 98777, 100940, 107408, 112888, 115360, 134260, 141110, 153440, 161504, 197554, 201880, 214816, 225776, 230720, 268520, 282220, 306880, 323008, 395108, 403760, 429632, 451552, 493885, 537040, 564440, 691439, 790216, 807520, 903104, 987770, 1074080, 1128880, 1382878, 1580432, 1615040, 1975540, 2148160, 2257760, 2765756, 3160864, 3457195, 3951080, 4515520, 5531512, 6321728, 6914390, 7902160, 11063024, 13828780, 15804320, 22126048, 27657560, 31608640, 44252096, 55315120, 110630240, 221260480]

約数ペア:

[(1, 221260480), (2, 110630240), (4, 55315120), (5, 44252096), (7, 31608640), (8, 27657560), (10, 22126048), (14, 15804320), (16, 13828780), (20, 11063024), (28, 7902160), (32, 6914390), (35, 6321728), (40, 5531512), (49, 4515520), (56, 3951080), (64, 3457195), (70, 3160864), (80, 2765756), (98, 2257760), (103, 2148160), (112, 1975540), (137, 1615040), (140, 1580432), (160, 1382878), (196, 1128880), (206, 1074080), (224, 987770), (245, 903104), (274, 807520), (280, 790216), (320, 691439), (392, 564440), (412, 537040), (448, 493885), (490, 451552), (515, 429632), (548, 403760), (560, 395108), (685, 323008), (721, 306880), (784, 282220), (824, 268520), (959, 230720), (980, 225776), (1030, 214816), (1096, 201880), (1120, 197554), (1370, 161504), (1442, 153440), (1568, 141110), (1648, 134260), (1918, 115360), (1960, 112888), (2060, 107408), (2192, 100940), (2240, 98777), (2740, 80752), (2884, 76720), (3136, 70555), (3296, 67130), (3605, 61376), (3836, 57680), (3920, 56444), (4120, 53704), (4384, 50470), (4795, 46144), (5047, 43840), (5480, 40376), (5768, 38360), (6592, 33565), (6713, 32960), (7210, 30688), (7672, 28840), (7840, 28222), (8240, 26852), (8768, 25235), (9590, 23072), (10094, 21920), (10960, 20188), (11536, 19180), (13426, 16480), (14111, 15680), (14420, 15344)]