28104180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 85688064

約数和(自身を除く): 57583884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 195, 260, 263, 274, 390, 411, 526, 548, 685, 780, 789, 822, 1052, 1315, 1370, 1578, 1644, 1781, 2055, 2630, 2740, 3156, 3419, 3562, 3945, 4110, 5260, 5343, 6838, 7124, 7890, 8220, 8905, 10257, 10686, 13676, 15780, 17095, 17810, 20514, 21372, 26715, 34190, 35620, 36031, 41028, 51285, 53430, 68380, 72062, 102570, 106860, 108093, 144124, 180155, 205140, 216186, 360310, 432372, 468403, 540465, 720620, 936806, 1080930, 1405209, 1873612, 2161860, 2342015, 2810418, 4684030, 5620836, 7026045, 9368060, 14052090, 28104180]

約数ペア:

[(1, 28104180), (2, 14052090), (3, 9368060), (4, 7026045), (5, 5620836), (6, 4684030), (10, 2810418), (12, 2342015), (13, 2161860), (15, 1873612), (20, 1405209), (26, 1080930), (30, 936806), (39, 720620), (52, 540465), (60, 468403), (65, 432372), (78, 360310), (130, 216186), (137, 205140), (156, 180155), (195, 144124), (260, 108093), (263, 106860), (274, 102570), (390, 72062), (411, 68380), (526, 53430), (548, 51285), (685, 41028), (780, 36031), (789, 35620), (822, 34190), (1052, 26715), (1315, 21372), (1370, 20514), (1578, 17810), (1644, 17095), (1781, 15780), (2055, 13676), (2630, 10686), (2740, 10257), (3156, 8905), (3419, 8220), (3562, 7890), (3945, 7124), (4110, 6838), (5260, 5343)]