66122820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8543}}^1$

素因数の和:8601

約数の個数: 72

約数和(自身を含む): 205261056

約数和(自身を除く): 139138236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8543, 17086, 25629, 34172, 42715, 51258, 76887, 85430, 102516, 128145, 153774, 170860, 256290, 307548, 367349, 384435, 512580, 734698, 768870, 1102047, 1469396, 1537740, 1836745, 2204094, 3306141, 3673490, 4408188, 5510235, 6612282, 7346980, 11020470, 13224564, 16530705, 22040940, 33061410, 66122820]

約数ペア:

[(1, 66122820), (2, 33061410), (3, 22040940), (4, 16530705), (5, 13224564), (6, 11020470), (9, 7346980), (10, 6612282), (12, 5510235), (15, 4408188), (18, 3673490), (20, 3306141), (30, 2204094), (36, 1836745), (43, 1537740), (45, 1469396), (60, 1102047), (86, 768870), (90, 734698), (129, 512580), (172, 384435), (180, 367349), (215, 307548), (258, 256290), (387, 170860), (430, 153774), (516, 128145), (645, 102516), (774, 85430), (860, 76887), (1290, 51258), (1548, 42715), (1935, 34172), (2580, 25629), (3870, 17086), (7740, 8543)]