856394280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{339839}}^1$

素因数の和:339863

約数の個数: 96

約数和(自身を含む): 3180902400

約数和(自身を除く): 2324508120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 339839, 679678, 1019517, 1359356, 1699195, 2039034, 2378873, 2718712, 3058551, 3398390, 4078068, 4757746, 5097585, 6117102, 6796780, 7136619, 8156136, 9515492, 10195170, 11894365, 12234204, 13593560, 14273238, 15292755, 19030984, 20390340, 21409857, 23788730, 24468408, 28546476, 30585510, 35683095, 40780680, 42819714, 47577460, 57092952, 61171020, 71366190, 85639428, 95154920, 107049285, 122342040, 142732380, 171278856, 214098570, 285464760, 428197140, 856394280]

約数ペア:

[(1, 856394280), (2, 428197140), (3, 285464760), (4, 214098570), (5, 171278856), (6, 142732380), (7, 122342040), (8, 107049285), (9, 95154920), (10, 85639428), (12, 71366190), (14, 61171020), (15, 57092952), (18, 47577460), (20, 42819714), (21, 40780680), (24, 35683095), (28, 30585510), (30, 28546476), (35, 24468408), (36, 23788730), (40, 21409857), (42, 20390340), (45, 19030984), (56, 15292755), (60, 14273238), (63, 13593560), (70, 12234204), (72, 11894365), (84, 10195170), (90, 9515492), (105, 8156136), (120, 7136619), (126, 6796780), (140, 6117102), (168, 5097585), (180, 4757746), (210, 4078068), (252, 3398390), (280, 3058551), (315, 2718712), (360, 2378873), (420, 2039034), (504, 1699195), (630, 1359356), (840, 1019517), (1260, 679678), (2520, 339839)]