121768720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80111}}^1$

素因数の和:80143

約数の個数: 40

約数和(自身を含む): 298016640

約数和(自身を除く): 176247920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 80111, 160222, 320444, 400555, 640888, 801110, 1281776, 1522109, 1602220, 3044218, 3204440, 6088436, 6408880, 7610545, 12176872, 15221090, 24353744, 30442180, 60884360, 121768720]

約数ペア:

[(1, 121768720), (2, 60884360), (4, 30442180), (5, 24353744), (8, 15221090), (10, 12176872), (16, 7610545), (19, 6408880), (20, 6088436), (38, 3204440), (40, 3044218), (76, 1602220), (80, 1522109), (95, 1281776), (152, 801110), (190, 640888), (304, 400555), (380, 320444), (760, 160222), (1520, 80111)]