61261880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3968

約数の個数: 64

約数和(自身を含む): 152331840

約数和(自身を除く): 91069960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 3917, 7820, 7834, 15640, 15668, 19585, 31336, 39170, 66589, 78340, 90091, 133178, 156680, 180182, 266356, 332945, 360364, 450455, 532712, 665890, 720728, 900910, 1331780, 1531547, 1801820, 2663560, 3063094, 3603640, 6126188, 7657735, 12252376, 15315470, 30630940, 61261880]

約数ペア:

[(1, 61261880), (2, 30630940), (4, 15315470), (5, 12252376), (8, 7657735), (10, 6126188), (17, 3603640), (20, 3063094), (23, 2663560), (34, 1801820), (40, 1531547), (46, 1331780), (68, 900910), (85, 720728), (92, 665890), (115, 532712), (136, 450455), (170, 360364), (184, 332945), (230, 266356), (340, 180182), (391, 156680), (460, 133178), (680, 90091), (782, 78340), (920, 66589), (1564, 39170), (1955, 31336), (3128, 19585), (3910, 15668), (3917, 15640), (7820, 7834)]