129321640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 355829760

約数和(自身を除く): 226508120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 140, 161, 172, 184, 215, 230, 280, 301, 322, 344, 430, 460, 467, 602, 644, 805, 860, 920, 934, 989, 1204, 1288, 1505, 1610, 1720, 1868, 1978, 2335, 2408, 3010, 3220, 3269, 3736, 3956, 4670, 4945, 6020, 6440, 6538, 6923, 7912, 9340, 9890, 10741, 12040, 13076, 13846, 16345, 18680, 19780, 20081, 21482, 26152, 27692, 32690, 34615, 39560, 40162, 42964, 53705, 55384, 65380, 69230, 75187, 80324, 85928, 100405, 107410, 130760, 138460, 140567, 150374, 160648, 200810, 214820, 276920, 281134, 300748, 375935, 401620, 429640, 461863, 562268, 601496, 702835, 751870, 803240, 923726, 1124536, 1405670, 1503740, 1847452, 2309315, 2811340, 3007480, 3233041, 3694904, 4618630, 5622680, 6466082, 9237260, 12932164, 16165205, 18474520, 25864328, 32330410, 64660820, 129321640]

約数ペア:

[(1, 129321640), (2, 64660820), (4, 32330410), (5, 25864328), (7, 18474520), (8, 16165205), (10, 12932164), (14, 9237260), (20, 6466082), (23, 5622680), (28, 4618630), (35, 3694904), (40, 3233041), (43, 3007480), (46, 2811340), (56, 2309315), (70, 1847452), (86, 1503740), (92, 1405670), (115, 1124536), (140, 923726), (161, 803240), (172, 751870), (184, 702835), (215, 601496), (230, 562268), (280, 461863), (301, 429640), (322, 401620), (344, 375935), (430, 300748), (460, 281134), (467, 276920), (602, 214820), (644, 200810), (805, 160648), (860, 150374), (920, 140567), (934, 138460), (989, 130760), (1204, 107410), (1288, 100405), (1505, 85928), (1610, 80324), (1720, 75187), (1868, 69230), (1978, 65380), (2335, 55384), (2408, 53705), (3010, 42964), (3220, 40162), (3269, 39560), (3736, 34615), (3956, 32690), (4670, 27692), (4945, 26152), (6020, 21482), (6440, 20081), (6538, 19780), (6923, 18680), (7912, 16345), (9340, 13846), (9890, 13076), (10741, 12040)]