128536140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 382072320

約数和(自身を除く): 253536180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 137, 190, 228, 274, 285, 380, 411, 548, 570, 685, 822, 823, 1140, 1370, 1644, 1646, 2055, 2469, 2603, 2740, 3292, 4110, 4115, 4938, 5206, 7809, 8220, 8230, 9876, 10412, 12345, 13015, 15618, 15637, 16460, 24690, 26030, 31236, 31274, 39045, 46911, 49380, 52060, 62548, 78090, 78185, 93822, 112751, 156180, 156370, 187644, 225502, 234555, 312740, 338253, 451004, 469110, 563755, 676506, 938220, 1127510, 1353012, 1691265, 2142269, 2255020, 3382530, 4284538, 6426807, 6765060, 8569076, 10711345, 12853614, 21422690, 25707228, 32134035, 42845380, 64268070, 128536140]

約数ペア:

[(1, 128536140), (2, 64268070), (3, 42845380), (4, 32134035), (5, 25707228), (6, 21422690), (10, 12853614), (12, 10711345), (15, 8569076), (19, 6765060), (20, 6426807), (30, 4284538), (38, 3382530), (57, 2255020), (60, 2142269), (76, 1691265), (95, 1353012), (114, 1127510), (137, 938220), (190, 676506), (228, 563755), (274, 469110), (285, 451004), (380, 338253), (411, 312740), (548, 234555), (570, 225502), (685, 187644), (822, 156370), (823, 156180), (1140, 112751), (1370, 93822), (1644, 78185), (1646, 78090), (2055, 62548), (2469, 52060), (2603, 49380), (2740, 46911), (3292, 39045), (4110, 31274), (4115, 31236), (4938, 26030), (5206, 24690), (7809, 16460), (8220, 15637), (8230, 15618), (9876, 13015), (10412, 12345)]