8128860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2294

約数の個数: 48

約数和(自身を含む): 23144352

約数和(自身を除く): 15015492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 2221, 3660, 4442, 6663, 8884, 11105, 13326, 22210, 26652, 33315, 44420, 66630, 133260, 135481, 270962, 406443, 541924, 677405, 812886, 1354810, 1625772, 2032215, 2709620, 4064430, 8128860]

約数ペア:

[(1, 8128860), (2, 4064430), (3, 2709620), (4, 2032215), (5, 1625772), (6, 1354810), (10, 812886), (12, 677405), (15, 541924), (20, 406443), (30, 270962), (60, 135481), (61, 133260), (122, 66630), (183, 44420), (244, 33315), (305, 26652), (366, 22210), (610, 13326), (732, 11105), (915, 8884), (1220, 6663), (1830, 4442), (2221, 3660)]