77771280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 256340736

約数和(自身を除く): 178569456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 73, 80, 92, 115, 120, 138, 146, 184, 193, 219, 230, 240, 276, 292, 345, 365, 368, 386, 438, 460, 552, 579, 584, 690, 730, 772, 876, 920, 965, 1095, 1104, 1158, 1168, 1380, 1460, 1544, 1679, 1752, 1840, 1930, 2190, 2316, 2760, 2895, 2920, 3088, 3358, 3504, 3860, 4380, 4439, 4632, 5037, 5520, 5790, 5840, 6716, 7720, 8395, 8760, 8878, 9264, 10074, 11580, 13317, 13432, 14089, 15440, 16790, 17520, 17756, 20148, 22195, 23160, 25185, 26634, 26864, 28178, 33580, 35512, 40296, 42267, 44390, 46320, 50370, 53268, 56356, 66585, 67160, 70445, 71024, 80592, 84534, 88780, 100740, 106536, 112712, 133170, 134320, 140890, 169068, 177560, 201480, 211335, 213072, 225424, 266340, 281780, 324047, 338136, 355120, 402960, 422670, 532680, 563560, 648094, 676272, 845340, 972141, 1065360, 1127120, 1296188, 1620235, 1690680, 1944282, 2592376, 3240470, 3381360, 3888564, 4860705, 5184752, 6480940, 7777128, 9721410, 12961880, 15554256, 19442820, 25923760, 38885640, 77771280]

約数ペア:

[(1, 77771280), (2, 38885640), (3, 25923760), (4, 19442820), (5, 15554256), (6, 12961880), (8, 9721410), (10, 7777128), (12, 6480940), (15, 5184752), (16, 4860705), (20, 3888564), (23, 3381360), (24, 3240470), (30, 2592376), (40, 1944282), (46, 1690680), (48, 1620235), (60, 1296188), (69, 1127120), (73, 1065360), (80, 972141), (92, 845340), (115, 676272), (120, 648094), (138, 563560), (146, 532680), (184, 422670), (193, 402960), (219, 355120), (230, 338136), (240, 324047), (276, 281780), (292, 266340), (345, 225424), (365, 213072), (368, 211335), (386, 201480), (438, 177560), (460, 169068), (552, 140890), (579, 134320), (584, 133170), (690, 112712), (730, 106536), (772, 100740), (876, 88780), (920, 84534), (965, 80592), (1095, 71024), (1104, 70445), (1158, 67160), (1168, 66585), (1380, 56356), (1460, 53268), (1544, 50370), (1679, 46320), (1752, 44390), (1840, 42267), (1930, 40296), (2190, 35512), (2316, 33580), (2760, 28178), (2895, 26864), (2920, 26634), (3088, 25185), (3358, 23160), (3504, 22195), (3860, 20148), (4380, 17756), (4439, 17520), (4632, 16790), (5037, 15440), (5520, 14089), (5790, 13432), (5840, 13317), (6716, 11580), (7720, 10074), (8395, 9264), (8760, 8878)]