12571720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 32918400

約数和(自身を除く): 20346680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 761, 826, 1180, 1522, 1652, 2065, 2360, 3044, 3304, 3805, 4130, 5327, 6088, 7610, 8260, 10654, 15220, 16520, 21308, 26635, 30440, 42616, 44899, 53270, 89798, 106540, 179596, 213080, 224495, 314293, 359192, 448990, 628586, 897980, 1257172, 1571465, 1795960, 2514344, 3142930, 6285860, 12571720]

約数ペア:

[(1, 12571720), (2, 6285860), (4, 3142930), (5, 2514344), (7, 1795960), (8, 1571465), (10, 1257172), (14, 897980), (20, 628586), (28, 448990), (35, 359192), (40, 314293), (56, 224495), (59, 213080), (70, 179596), (118, 106540), (140, 89798), (236, 53270), (280, 44899), (295, 42616), (413, 30440), (472, 26635), (590, 21308), (761, 16520), (826, 15220), (1180, 10654), (1522, 8260), (1652, 7610), (2065, 6088), (2360, 5327), (3044, 4130), (3304, 3805)]