81125744

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 192249600

約数和(自身を除く): 111123856

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 67, 76, 112, 133, 134, 152, 266, 268, 304, 469, 532, 536, 569, 938, 1064, 1072, 1138, 1273, 1876, 2128, 2276, 2546, 3752, 3983, 4552, 5092, 7504, 7966, 8911, 9104, 10184, 10811, 15932, 17822, 20368, 21622, 31864, 35644, 38123, 43244, 63728, 71288, 75677, 76246, 86488, 142576, 151354, 152492, 172976, 266861, 302708, 304984, 533722, 605416, 609968, 724337, 1067444, 1210832, 1448674, 2134888, 2897348, 4269776, 5070359, 5794696, 10140718, 11589392, 20281436, 40562872, 81125744]

約数ペア:

[(1, 81125744), (2, 40562872), (4, 20281436), (7, 11589392), (8, 10140718), (14, 5794696), (16, 5070359), (19, 4269776), (28, 2897348), (38, 2134888), (56, 1448674), (67, 1210832), (76, 1067444), (112, 724337), (133, 609968), (134, 605416), (152, 533722), (266, 304984), (268, 302708), (304, 266861), (469, 172976), (532, 152492), (536, 151354), (569, 142576), (938, 86488), (1064, 76246), (1072, 75677), (1138, 71288), (1273, 63728), (1876, 43244), (2128, 38123), (2276, 35644), (2546, 31864), (3752, 21622), (3983, 20368), (4552, 17822), (5092, 15932), (7504, 10811), (7966, 10184), (8911, 9104)]