120980840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{177913}}^1$

素因数の和:177941

約数の個数: 32

約数和(自身を含む): 288220680

約数和(自身を除く): 167239840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 177913, 355826, 711652, 889565, 1423304, 1779130, 3024521, 3558260, 6049042, 7116520, 12098084, 15122605, 24196168, 30245210, 60490420, 120980840]

約数ペア:

[(1, 120980840), (2, 60490420), (4, 30245210), (5, 24196168), (8, 15122605), (10, 12098084), (17, 7116520), (20, 6049042), (34, 3558260), (40, 3024521), (68, 1779130), (85, 1423304), (136, 889565), (170, 711652), (340, 355826), (680, 177913)]