38885640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 124035840

約数和(自身を除く): 85150200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 92, 115, 120, 138, 146, 184, 193, 219, 230, 276, 292, 345, 365, 386, 438, 460, 552, 579, 584, 690, 730, 772, 876, 920, 965, 1095, 1158, 1380, 1460, 1544, 1679, 1752, 1930, 2190, 2316, 2760, 2895, 2920, 3358, 3860, 4380, 4439, 4632, 5037, 5790, 6716, 7720, 8395, 8760, 8878, 10074, 11580, 13317, 13432, 14089, 16790, 17756, 20148, 22195, 23160, 25185, 26634, 28178, 33580, 35512, 40296, 42267, 44390, 50370, 53268, 56356, 66585, 67160, 70445, 84534, 88780, 100740, 106536, 112712, 133170, 140890, 169068, 177560, 201480, 211335, 266340, 281780, 324047, 338136, 422670, 532680, 563560, 648094, 845340, 972141, 1296188, 1620235, 1690680, 1944282, 2592376, 3240470, 3888564, 4860705, 6480940, 7777128, 9721410, 12961880, 19442820, 38885640]

約数ペア:

[(1, 38885640), (2, 19442820), (3, 12961880), (4, 9721410), (5, 7777128), (6, 6480940), (8, 4860705), (10, 3888564), (12, 3240470), (15, 2592376), (20, 1944282), (23, 1690680), (24, 1620235), (30, 1296188), (40, 972141), (46, 845340), (60, 648094), (69, 563560), (73, 532680), (92, 422670), (115, 338136), (120, 324047), (138, 281780), (146, 266340), (184, 211335), (193, 201480), (219, 177560), (230, 169068), (276, 140890), (292, 133170), (345, 112712), (365, 106536), (386, 100740), (438, 88780), (460, 84534), (552, 70445), (579, 67160), (584, 66585), (690, 56356), (730, 53268), (772, 50370), (876, 44390), (920, 42267), (965, 40296), (1095, 35512), (1158, 33580), (1380, 28178), (1460, 26634), (1544, 25185), (1679, 23160), (1752, 22195), (1930, 20148), (2190, 17756), (2316, 16790), (2760, 14089), (2895, 13432), (2920, 13317), (3358, 11580), (3860, 10074), (4380, 8878), (4439, 8760), (4632, 8395), (5037, 7720), (5790, 6716)]