28304320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 168

約数和(自身を含む): 80266032

約数和(自身を除く): 51961712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 43, 44, 55, 64, 68, 80, 85, 86, 88, 110, 121, 136, 160, 170, 172, 176, 187, 215, 220, 242, 272, 320, 340, 344, 352, 374, 430, 440, 473, 484, 544, 605, 680, 688, 704, 731, 748, 860, 880, 935, 946, 968, 1088, 1210, 1360, 1376, 1462, 1496, 1720, 1760, 1870, 1892, 1936, 2057, 2365, 2420, 2720, 2752, 2924, 2992, 3440, 3520, 3655, 3740, 3784, 3872, 4114, 4730, 4840, 5203, 5440, 5848, 5984, 6880, 7310, 7480, 7568, 7744, 8041, 8228, 9460, 9680, 10285, 10406, 11696, 11968, 13760, 14620, 14960, 15136, 16082, 16456, 18920, 19360, 20570, 20812, 23392, 26015, 29240, 29920, 30272, 32164, 32912, 37840, 38720, 40205, 41140, 41624, 46784, 52030, 58480, 59840, 64328, 65824, 75680, 80410, 82280, 83248, 88451, 104060, 116960, 128656, 131648, 151360, 160820, 164560, 166496, 176902, 208120, 233920, 257312, 321640, 329120, 332992, 353804, 416240, 442255, 514624, 643280, 658240, 707608, 832480, 884510, 1286560, 1415216, 1664960, 1769020, 2573120, 2830432, 3538040, 5660864, 7076080, 14152160, 28304320]

約数ペア:

[(1, 28304320), (2, 14152160), (4, 7076080), (5, 5660864), (8, 3538040), (10, 2830432), (11, 2573120), (16, 1769020), (17, 1664960), (20, 1415216), (22, 1286560), (32, 884510), (34, 832480), (40, 707608), (43, 658240), (44, 643280), (55, 514624), (64, 442255), (68, 416240), (80, 353804), (85, 332992), (86, 329120), (88, 321640), (110, 257312), (121, 233920), (136, 208120), (160, 176902), (170, 166496), (172, 164560), (176, 160820), (187, 151360), (215, 131648), (220, 128656), (242, 116960), (272, 104060), (320, 88451), (340, 83248), (344, 82280), (352, 80410), (374, 75680), (430, 65824), (440, 64328), (473, 59840), (484, 58480), (544, 52030), (605, 46784), (680, 41624), (688, 41140), (704, 40205), (731, 38720), (748, 37840), (860, 32912), (880, 32164), (935, 30272), (946, 29920), (968, 29240), (1088, 26015), (1210, 23392), (1360, 20812), (1376, 20570), (1462, 19360), (1496, 18920), (1720, 16456), (1760, 16082), (1870, 15136), (1892, 14960), (1936, 14620), (2057, 13760), (2365, 11968), (2420, 11696), (2720, 10406), (2752, 10285), (2924, 9680), (2992, 9460), (3440, 8228), (3520, 8041), (3655, 7744), (3740, 7568), (3784, 7480), (3872, 7310), (4114, 6880), (4730, 5984), (4840, 5848), (5203, 5440)]