81693960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680783}}^1$

素因数の和:680797

約数の個数: 32

約数和(自身を含む): 245082240

約数和(自身を除く): 163388280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680783, 1361566, 2042349, 2723132, 3403915, 4084698, 5446264, 6807830, 8169396, 10211745, 13615660, 16338792, 20423490, 27231320, 40846980, 81693960]

約数ペア:

[(1, 81693960), (2, 40846980), (3, 27231320), (4, 20423490), (5, 16338792), (6, 13615660), (8, 10211745), (10, 8169396), (12, 6807830), (15, 5446264), (20, 4084698), (24, 3403915), (30, 2723132), (40, 2042349), (60, 1361566), (120, 680783)]