81144784

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 195924960

約数和(自身を除く): 114780176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 43, 49, 56, 58, 83, 86, 98, 112, 116, 166, 172, 196, 203, 232, 301, 332, 344, 392, 406, 464, 581, 602, 664, 688, 784, 812, 1162, 1204, 1247, 1328, 1421, 1624, 2107, 2324, 2407, 2408, 2494, 2842, 3248, 3569, 4067, 4214, 4648, 4814, 4816, 4988, 5684, 7138, 8134, 8428, 8729, 9296, 9628, 9976, 11368, 14276, 16268, 16849, 16856, 17458, 19256, 19952, 22736, 24983, 28552, 32536, 33698, 33712, 34916, 38512, 49966, 57104, 61103, 65072, 67396, 69832, 99932, 103501, 117943, 122206, 134792, 139664, 174881, 199864, 207002, 235886, 244412, 269584, 349762, 399728, 414004, 471772, 488824, 699524, 724507, 828008, 943544, 977648, 1399048, 1449014, 1656016, 1887088, 2798096, 2898028, 5071549, 5796056, 10143098, 11592112, 20286196, 40572392, 81144784]

約数ペア:

[(1, 81144784), (2, 40572392), (4, 20286196), (7, 11592112), (8, 10143098), (14, 5796056), (16, 5071549), (28, 2898028), (29, 2798096), (43, 1887088), (49, 1656016), (56, 1449014), (58, 1399048), (83, 977648), (86, 943544), (98, 828008), (112, 724507), (116, 699524), (166, 488824), (172, 471772), (196, 414004), (203, 399728), (232, 349762), (301, 269584), (332, 244412), (344, 235886), (392, 207002), (406, 199864), (464, 174881), (581, 139664), (602, 134792), (664, 122206), (688, 117943), (784, 103501), (812, 99932), (1162, 69832), (1204, 67396), (1247, 65072), (1328, 61103), (1421, 57104), (1624, 49966), (2107, 38512), (2324, 34916), (2407, 33712), (2408, 33698), (2494, 32536), (2842, 28552), (3248, 24983), (3569, 22736), (4067, 19952), (4214, 19256), (4648, 17458), (4814, 16856), (4816, 16849), (4988, 16268), (5684, 14276), (7138, 11368), (8134, 9976), (8428, 9628), (8729, 9296)]