81838624

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 205117920

約数和(自身を除く): 123279296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 41, 49, 56, 67, 76, 82, 98, 112, 133, 134, 152, 164, 196, 224, 266, 268, 287, 304, 328, 392, 469, 532, 536, 574, 608, 656, 779, 784, 931, 938, 1064, 1072, 1148, 1273, 1312, 1558, 1568, 1862, 1876, 2009, 2128, 2144, 2296, 2546, 2747, 3116, 3283, 3724, 3752, 4018, 4256, 4592, 5092, 5453, 5494, 6232, 6566, 7448, 7504, 8036, 8911, 9184, 10184, 10906, 10988, 12464, 13132, 14896, 15008, 16072, 17822, 19229, 20368, 21812, 21976, 24928, 26264, 29792, 32144, 35644, 38171, 38458, 40736, 43624, 43952, 52193, 52528, 62377, 64288, 71288, 76342, 76916, 87248, 87904, 104386, 105056, 124754, 134603, 142576, 152684, 153832, 174496, 208772, 249508, 269206, 285152, 305368, 307664, 365351, 417544, 499016, 538412, 610736, 615328, 730702, 835088, 998032, 1076824, 1221472, 1461404, 1670176, 1996064, 2153648, 2557457, 2922808, 4307296, 5114914, 5845616, 10229828, 11691232, 20459656, 40919312, 81838624]

約数ペア:

[(1, 81838624), (2, 40919312), (4, 20459656), (7, 11691232), (8, 10229828), (14, 5845616), (16, 5114914), (19, 4307296), (28, 2922808), (32, 2557457), (38, 2153648), (41, 1996064), (49, 1670176), (56, 1461404), (67, 1221472), (76, 1076824), (82, 998032), (98, 835088), (112, 730702), (133, 615328), (134, 610736), (152, 538412), (164, 499016), (196, 417544), (224, 365351), (266, 307664), (268, 305368), (287, 285152), (304, 269206), (328, 249508), (392, 208772), (469, 174496), (532, 153832), (536, 152684), (574, 142576), (608, 134603), (656, 124754), (779, 105056), (784, 104386), (931, 87904), (938, 87248), (1064, 76916), (1072, 76342), (1148, 71288), (1273, 64288), (1312, 62377), (1558, 52528), (1568, 52193), (1862, 43952), (1876, 43624), (2009, 40736), (2128, 38458), (2144, 38171), (2296, 35644), (2546, 32144), (2747, 29792), (3116, 26264), (3283, 24928), (3724, 21976), (3752, 21812), (4018, 20368), (4256, 19229), (4592, 17822), (5092, 16072), (5453, 15008), (5494, 14896), (6232, 13132), (6566, 12464), (7448, 10988), (7504, 10906), (8036, 10184), (8911, 9184)]