2080695780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{20753}}^1$

素因数の和:21325

約数の個数: 72

約数和(自身を含む): 6323079672

約数和(自身を除く): 4242383892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 1114, 1671, 2228, 2785, 3342, 5013, 5570, 6684, 8355, 10026, 11140, 16710, 20052, 20753, 25065, 33420, 41506, 50130, 62259, 83012, 100260, 103765, 124518, 186777, 207530, 249036, 311295, 373554, 415060, 622590, 747108, 933885, 1245180, 1867770, 3735540, 11559421, 23118842, 34678263, 46237684, 57797105, 69356526, 104034789, 115594210, 138713052, 173391315, 208069578, 231188420, 346782630, 416139156, 520173945, 693565260, 1040347890, 2080695780]

約数ペア:

[(1, 2080695780), (2, 1040347890), (3, 693565260), (4, 520173945), (5, 416139156), (6, 346782630), (9, 231188420), (10, 208069578), (12, 173391315), (15, 138713052), (18, 115594210), (20, 104034789), (30, 69356526), (36, 57797105), (45, 46237684), (60, 34678263), (90, 23118842), (180, 11559421), (557, 3735540), (1114, 1867770), (1671, 1245180), (2228, 933885), (2785, 747108), (3342, 622590), (5013, 415060), (5570, 373554), (6684, 311295), (8355, 249036), (10026, 207530), (11140, 186777), (16710, 124518), (20052, 103765), (20753, 100260), (25065, 83012), (33420, 62259), (41506, 50130)]