28177760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 192

約数和(自身を含む): 81285120

約数和(自身を除く): 53107360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 31, 32, 38, 40, 46, 52, 62, 65, 76, 80, 92, 95, 104, 115, 124, 130, 152, 155, 160, 184, 190, 208, 230, 247, 248, 260, 299, 304, 310, 368, 380, 403, 416, 437, 460, 494, 496, 520, 589, 598, 608, 620, 713, 736, 760, 806, 874, 920, 988, 992, 1040, 1178, 1196, 1235, 1240, 1426, 1495, 1520, 1612, 1748, 1840, 1976, 2015, 2080, 2185, 2356, 2392, 2470, 2480, 2852, 2945, 2990, 3040, 3224, 3496, 3565, 3680, 3952, 4030, 4370, 4712, 4784, 4940, 4960, 5681, 5704, 5890, 5980, 6448, 6992, 7130, 7657, 7904, 8060, 8740, 9269, 9424, 9568, 9880, 11362, 11408, 11780, 11960, 12896, 13547, 13984, 14260, 15314, 16120, 17480, 18538, 18848, 19760, 22724, 22816, 23560, 23920, 27094, 28405, 28520, 30628, 32240, 34960, 37076, 38285, 39520, 45448, 46345, 47120, 47840, 54188, 56810, 57040, 61256, 64480, 67735, 69920, 74152, 76570, 90896, 92690, 94240, 108376, 113620, 114080, 122512, 135470, 148304, 153140, 176111, 181792, 185380, 216752, 227240, 245024, 270940, 296608, 306280, 352222, 370760, 433504, 454480, 541880, 612560, 704444, 741520, 880555, 908960, 1083760, 1225120, 1408888, 1483040, 1761110, 2167520, 2817776, 3522220, 5635552, 7044440, 14088880, 28177760]

約数ペア:

[(1, 28177760), (2, 14088880), (4, 7044440), (5, 5635552), (8, 3522220), (10, 2817776), (13, 2167520), (16, 1761110), (19, 1483040), (20, 1408888), (23, 1225120), (26, 1083760), (31, 908960), (32, 880555), (38, 741520), (40, 704444), (46, 612560), (52, 541880), (62, 454480), (65, 433504), (76, 370760), (80, 352222), (92, 306280), (95, 296608), (104, 270940), (115, 245024), (124, 227240), (130, 216752), (152, 185380), (155, 181792), (160, 176111), (184, 153140), (190, 148304), (208, 135470), (230, 122512), (247, 114080), (248, 113620), (260, 108376), (299, 94240), (304, 92690), (310, 90896), (368, 76570), (380, 74152), (403, 69920), (416, 67735), (437, 64480), (460, 61256), (494, 57040), (496, 56810), (520, 54188), (589, 47840), (598, 47120), (608, 46345), (620, 45448), (713, 39520), (736, 38285), (760, 37076), (806, 34960), (874, 32240), (920, 30628), (988, 28520), (992, 28405), (1040, 27094), (1178, 23920), (1196, 23560), (1235, 22816), (1240, 22724), (1426, 19760), (1495, 18848), (1520, 18538), (1612, 17480), (1748, 16120), (1840, 15314), (1976, 14260), (2015, 13984), (2080, 13547), (2185, 12896), (2356, 11960), (2392, 11780), (2470, 11408), (2480, 11362), (2852, 9880), (2945, 9568), (2990, 9424), (3040, 9269), (3224, 8740), (3496, 8060), (3565, 7904), (3680, 7657), (3952, 7130), (4030, 6992), (4370, 6448), (4712, 5980), (4784, 5890), (4940, 5704), (4960, 5681)]