156985181220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{761251}}^1$

素因数の和:761761

約数の個数: 96

約数和(自身を含む): 503376362496

約数和(自身を除く): 346391181276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 491, 982, 1473, 1964, 2455, 2946, 3437, 4910, 5892, 6874, 7365, 9820, 10311, 13748, 14730, 17185, 20622, 29460, 34370, 41244, 51555, 68740, 103110, 206220, 761251, 1522502, 2283753, 3045004, 3806255, 4567506, 5328757, 7612510, 9135012, 10657514, 11418765, 15225020, 15986271, 21315028, 22837530, 26643785, 31972542, 45675060, 53287570, 63945084, 79931355, 106575140, 159862710, 319725420, 373774241, 747548482, 1121322723, 1495096964, 1868871205, 2242645446, 2616419687, 3737742410, 4485290892, 5232839374, 5606613615, 7475484820, 7849259061, 10465678748, 11213227230, 13082098435, 15698518122, 22426454460, 26164196870, 31397036244, 39246295305, 52328393740, 78492590610, 156985181220]

約数ペア:

[(1, 156985181220), (2, 78492590610), (3, 52328393740), (4, 39246295305), (5, 31397036244), (6, 26164196870), (7, 22426454460), (10, 15698518122), (12, 13082098435), (14, 11213227230), (15, 10465678748), (20, 7849259061), (21, 7475484820), (28, 5606613615), (30, 5232839374), (35, 4485290892), (42, 3737742410), (60, 2616419687), (70, 2242645446), (84, 1868871205), (105, 1495096964), (140, 1121322723), (210, 747548482), (420, 373774241), (491, 319725420), (982, 159862710), (1473, 106575140), (1964, 79931355), (2455, 63945084), (2946, 53287570), (3437, 45675060), (4910, 31972542), (5892, 26643785), (6874, 22837530), (7365, 21315028), (9820, 15986271), (10311, 15225020), (13748, 11418765), (14730, 10657514), (17185, 9135012), (20622, 7612510), (29460, 5328757), (34370, 4567506), (41244, 3806255), (51555, 3045004), (68740, 2283753), (103110, 1522502), (206220, 761251)]