71820252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2767}}^1$

素因数の和:2887

約数の個数: 72

約数和(自身を含む): 209570816

約数和(自身を除く): 137750564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1236, 1442, 1854, 2163, 2767, 2884, 3708, 4326, 5534, 6489, 8301, 8652, 11068, 12978, 16602, 19369, 24903, 25956, 33204, 38738, 49806, 58107, 77476, 99612, 116214, 174321, 232428, 285001, 348642, 570002, 697284, 855003, 1140004, 1710006, 1995007, 2565009, 3420012, 3990014, 5130018, 5985021, 7980028, 10260036, 11970042, 17955063, 23940084, 35910126, 71820252]

約数ペア:

[(1, 71820252), (2, 35910126), (3, 23940084), (4, 17955063), (6, 11970042), (7, 10260036), (9, 7980028), (12, 5985021), (14, 5130018), (18, 3990014), (21, 3420012), (28, 2565009), (36, 1995007), (42, 1710006), (63, 1140004), (84, 855003), (103, 697284), (126, 570002), (206, 348642), (252, 285001), (309, 232428), (412, 174321), (618, 116214), (721, 99612), (927, 77476), (1236, 58107), (1442, 49806), (1854, 38738), (2163, 33204), (2767, 25956), (2884, 24903), (3708, 19369), (4326, 16602), (5534, 12978), (6489, 11068), (8301, 8652)]