81620028

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1136

約数の個数: 96

約数和(自身を含む): 244339200

約数和(自身を除く): 162719172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 107, 108, 126, 189, 214, 252, 321, 378, 428, 642, 749, 756, 963, 1009, 1284, 1498, 1926, 2018, 2247, 2889, 2996, 3027, 3852, 4036, 4494, 5778, 6054, 6741, 7063, 8988, 9081, 11556, 12108, 13482, 14126, 18162, 20223, 21189, 26964, 27243, 28252, 36324, 40446, 42378, 54486, 63567, 80892, 84756, 107963, 108972, 127134, 190701, 215926, 254268, 323889, 381402, 431852, 647778, 755741, 762804, 971667, 1295556, 1511482, 1943334, 2267223, 2915001, 3022964, 3886668, 4534446, 5830002, 6801669, 9068892, 11660004, 13603338, 20405007, 27206676, 40810014, 81620028]

約数ペア:

[(1, 81620028), (2, 40810014), (3, 27206676), (4, 20405007), (6, 13603338), (7, 11660004), (9, 9068892), (12, 6801669), (14, 5830002), (18, 4534446), (21, 3886668), (27, 3022964), (28, 2915001), (36, 2267223), (42, 1943334), (54, 1511482), (63, 1295556), (84, 971667), (107, 762804), (108, 755741), (126, 647778), (189, 431852), (214, 381402), (252, 323889), (321, 254268), (378, 215926), (428, 190701), (642, 127134), (749, 108972), (756, 107963), (963, 84756), (1009, 80892), (1284, 63567), (1498, 54486), (1926, 42378), (2018, 40446), (2247, 36324), (2889, 28252), (2996, 27243), (3027, 26964), (3852, 21189), (4036, 20223), (4494, 18162), (5778, 14126), (6054, 13482), (6741, 12108), (7063, 11556), (8988, 9081)]