71921880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199783}}^1$

素因数の和:199800

約数の個数: 48

約数和(自身を含む): 233747280

約数和(自身を除く): 161825400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 199783, 399566, 599349, 799132, 998915, 1198698, 1598264, 1798047, 1997830, 2397396, 2996745, 3596094, 3995660, 4794792, 5993490, 7192188, 7991320, 8990235, 11986980, 14384376, 17980470, 23973960, 35960940, 71921880]

約数ペア:

[(1, 71921880), (2, 35960940), (3, 23973960), (4, 17980470), (5, 14384376), (6, 11986980), (8, 8990235), (9, 7991320), (10, 7192188), (12, 5993490), (15, 4794792), (18, 3995660), (20, 3596094), (24, 2996745), (30, 2397396), (36, 1997830), (40, 1798047), (45, 1598264), (60, 1198698), (72, 998915), (90, 799132), (120, 599349), (180, 399566), (360, 199783)]