518455890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{640069}}^1$

素因数の和:640088

約数の個数: 40

約数和(自身を含む): 1394072460

約数和(自身を除く): 875616570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 640069, 1280138, 1920207, 3200345, 3840414, 5760621, 6400690, 9601035, 11521242, 17281863, 19202070, 28803105, 34563726, 51845589, 57606210, 86409315, 103691178, 172818630, 259227945, 518455890]

約数ペア:

[(1, 518455890), (2, 259227945), (3, 172818630), (5, 103691178), (6, 86409315), (9, 57606210), (10, 51845589), (15, 34563726), (18, 28803105), (27, 19202070), (30, 17281863), (45, 11521242), (54, 9601035), (81, 6400690), (90, 5760621), (135, 3840414), (162, 3200345), (270, 1920207), (405, 1280138), (810, 640069)]