17680040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 28146520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 271, 280, 466, 542, 932, 1084, 1165, 1355, 1631, 1864, 1897, 2168, 2330, 2710, 3262, 3794, 4660, 5420, 6524, 7588, 8155, 9320, 9485, 10840, 13048, 15176, 16310, 18970, 32620, 37940, 63143, 65240, 75880, 126286, 252572, 315715, 442001, 505144, 631430, 884002, 1262860, 1768004, 2210005, 2525720, 3536008, 4420010, 8840020, 17680040]

約数ペア:

[(1, 17680040), (2, 8840020), (4, 4420010), (5, 3536008), (7, 2525720), (8, 2210005), (10, 1768004), (14, 1262860), (20, 884002), (28, 631430), (35, 505144), (40, 442001), (56, 315715), (70, 252572), (140, 126286), (233, 75880), (271, 65240), (280, 63143), (466, 37940), (542, 32620), (932, 18970), (1084, 16310), (1165, 15176), (1355, 13048), (1631, 10840), (1864, 9485), (1897, 9320), (2168, 8155), (2330, 7588), (2710, 6524), (3262, 5420), (3794, 4660)]