80668890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3571}}^1$

素因数の和:3835

約数の個数: 48

約数和(自身を含む): 210633696

約数和(自身を除く): 129964806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 251, 502, 753, 1255, 1506, 2259, 2510, 3571, 3765, 4518, 7142, 7530, 10713, 11295, 17855, 21426, 22590, 32139, 35710, 53565, 64278, 107130, 160695, 321390, 896321, 1792642, 2688963, 4481605, 5377926, 8066889, 8963210, 13444815, 16133778, 26889630, 40334445, 80668890]

約数ペア:

[(1, 80668890), (2, 40334445), (3, 26889630), (5, 16133778), (6, 13444815), (9, 8963210), (10, 8066889), (15, 5377926), (18, 4481605), (30, 2688963), (45, 1792642), (90, 896321), (251, 321390), (502, 160695), (753, 107130), (1255, 64278), (1506, 53565), (2259, 35710), (2510, 32139), (3571, 22590), (3765, 21426), (4518, 17855), (7142, 11295), (7530, 10713)]