78461820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15031}}^1$

素因数の和:15075

約数の個数: 72

約数和(自身を含む): 246224160

約数和(自身を除く): 167762340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15031, 30062, 45093, 60124, 75155, 90186, 135279, 150310, 180372, 225465, 270558, 300620, 435899, 450930, 541116, 676395, 871798, 901860, 1307697, 1352790, 1743596, 2179495, 2615394, 2705580, 3923091, 4358990, 5230788, 6538485, 7846182, 8717980, 13076970, 15692364, 19615455, 26153940, 39230910, 78461820]

約数ペア:

[(1, 78461820), (2, 39230910), (3, 26153940), (4, 19615455), (5, 15692364), (6, 13076970), (9, 8717980), (10, 7846182), (12, 6538485), (15, 5230788), (18, 4358990), (20, 3923091), (29, 2705580), (30, 2615394), (36, 2179495), (45, 1743596), (58, 1352790), (60, 1307697), (87, 901860), (90, 871798), (116, 676395), (145, 541116), (174, 450930), (180, 435899), (261, 300620), (290, 270558), (348, 225465), (435, 180372), (522, 150310), (580, 135279), (870, 90186), (1044, 75155), (1305, 60124), (1740, 45093), (2610, 30062), (5220, 15031)]