163341640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 462309120

約数和(自身を除く): 298967480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 181, 220, 280, 293, 308, 362, 385, 440, 586, 616, 724, 770, 905, 1172, 1267, 1448, 1465, 1540, 1810, 1991, 2051, 2344, 2534, 2930, 3080, 3223, 3620, 3982, 4102, 5068, 5860, 6335, 6446, 7240, 7964, 8204, 9955, 10136, 10255, 11720, 12670, 12892, 13937, 15928, 16115, 16408, 19910, 20510, 22561, 25340, 25784, 27874, 32230, 39820, 41020, 45122, 50680, 53033, 55748, 64460, 69685, 79640, 82040, 90244, 106066, 111496, 112805, 128920, 139370, 180488, 212132, 225610, 265165, 278740, 371231, 424264, 451220, 530330, 557480, 583363, 742462, 902440, 1060660, 1166726, 1484924, 1856155, 2121320, 2333452, 2916815, 2969848, 3712310, 4083541, 4666904, 5833630, 7424620, 8167082, 11667260, 14849240, 16334164, 20417705, 23334520, 32668328, 40835410, 81670820, 163341640]

約数ペア:

[(1, 163341640), (2, 81670820), (4, 40835410), (5, 32668328), (7, 23334520), (8, 20417705), (10, 16334164), (11, 14849240), (14, 11667260), (20, 8167082), (22, 7424620), (28, 5833630), (35, 4666904), (40, 4083541), (44, 3712310), (55, 2969848), (56, 2916815), (70, 2333452), (77, 2121320), (88, 1856155), (110, 1484924), (140, 1166726), (154, 1060660), (181, 902440), (220, 742462), (280, 583363), (293, 557480), (308, 530330), (362, 451220), (385, 424264), (440, 371231), (586, 278740), (616, 265165), (724, 225610), (770, 212132), (905, 180488), (1172, 139370), (1267, 128920), (1448, 112805), (1465, 111496), (1540, 106066), (1810, 90244), (1991, 82040), (2051, 79640), (2344, 69685), (2534, 64460), (2930, 55748), (3080, 53033), (3223, 50680), (3620, 45122), (3982, 41020), (4102, 39820), (5068, 32230), (5860, 27874), (6335, 25784), (6446, 25340), (7240, 22561), (7964, 20510), (8204, 19910), (9955, 16408), (10136, 16115), (10255, 15928), (11720, 13937), (12670, 12892)]