51239790

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1324

約数の個数: 120

約数和(自身を含む): 160396632

約数和(自身を除く): 109156842

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1134, 1291, 1323, 1470, 1890, 2205, 2582, 2646, 2835, 3873, 3969, 4410, 5670, 6455, 6615, 7746, 7938, 9037, 11619, 12910, 13230, 18074, 19365, 19845, 23238, 27111, 34857, 38730, 39690, 45185, 54222, 58095, 63259, 69714, 81333, 90370, 104571, 116190, 126518, 135555, 162666, 174285, 189777, 209142, 243999, 271110, 316295, 348570, 379554, 406665, 487998, 522855, 569331, 632590, 731997, 813330, 948885, 1045710, 1138662, 1219995, 1463994, 1707993, 1897770, 2439990, 2846655, 3415986, 3659985, 5123979, 5693310, 7319970, 8539965, 10247958, 17079930, 25619895, 51239790]

約数ペア:

[(1, 51239790), (2, 25619895), (3, 17079930), (5, 10247958), (6, 8539965), (7, 7319970), (9, 5693310), (10, 5123979), (14, 3659985), (15, 3415986), (18, 2846655), (21, 2439990), (27, 1897770), (30, 1707993), (35, 1463994), (42, 1219995), (45, 1138662), (49, 1045710), (54, 948885), (63, 813330), (70, 731997), (81, 632590), (90, 569331), (98, 522855), (105, 487998), (126, 406665), (135, 379554), (147, 348570), (162, 316295), (189, 271110), (210, 243999), (245, 209142), (270, 189777), (294, 174285), (315, 162666), (378, 135555), (405, 126518), (441, 116190), (490, 104571), (567, 90370), (630, 81333), (735, 69714), (810, 63259), (882, 58095), (945, 54222), (1134, 45185), (1291, 39690), (1323, 38730), (1470, 34857), (1890, 27111), (2205, 23238), (2582, 19845), (2646, 19365), (2835, 18074), (3873, 13230), (3969, 12910), (4410, 11619), (5670, 9037), (6455, 7938), (6615, 7746)]