12756520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 33955200

約数和(自身を除く): 21198680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1571, 1624, 2030, 3142, 4060, 6284, 7855, 8120, 10997, 12568, 15710, 21994, 31420, 43988, 45559, 54985, 62840, 87976, 91118, 109970, 182236, 219940, 227795, 318913, 364472, 439880, 455590, 637826, 911180, 1275652, 1594565, 1822360, 2551304, 3189130, 6378260, 12756520]

約数ペア:

[(1, 12756520), (2, 6378260), (4, 3189130), (5, 2551304), (7, 1822360), (8, 1594565), (10, 1275652), (14, 911180), (20, 637826), (28, 455590), (29, 439880), (35, 364472), (40, 318913), (56, 227795), (58, 219940), (70, 182236), (116, 109970), (140, 91118), (145, 87976), (203, 62840), (232, 54985), (280, 45559), (290, 43988), (406, 31420), (580, 21994), (812, 15710), (1015, 12568), (1160, 10997), (1571, 8120), (1624, 7855), (2030, 6284), (3142, 4060)]