30259180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 75505248

約数和(自身を除く): 45246068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 257, 290, 406, 514, 580, 812, 841, 1015, 1028, 1285, 1682, 1799, 2030, 2570, 3364, 3598, 4060, 4205, 5140, 5887, 7196, 7453, 8410, 8995, 11774, 14906, 16820, 17990, 23548, 29435, 29812, 35980, 37265, 52171, 58870, 74530, 104342, 117740, 149060, 208684, 216137, 260855, 432274, 521710, 864548, 1043420, 1080685, 1512959, 2161370, 3025918, 4322740, 6051836, 7564795, 15129590, 30259180]

約数ペア:

[(1, 30259180), (2, 15129590), (4, 7564795), (5, 6051836), (7, 4322740), (10, 3025918), (14, 2161370), (20, 1512959), (28, 1080685), (29, 1043420), (35, 864548), (58, 521710), (70, 432274), (116, 260855), (140, 216137), (145, 208684), (203, 149060), (257, 117740), (290, 104342), (406, 74530), (514, 58870), (580, 52171), (812, 37265), (841, 35980), (1015, 29812), (1028, 29435), (1285, 23548), (1682, 17990), (1799, 16820), (2030, 14906), (2570, 11774), (3364, 8995), (3598, 8410), (4060, 7453), (4205, 7196), (5140, 5887)]