121667280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{72421}}^1$

素因数の和:72444

約数の個数: 80

約数和(自身を含む): 431055744

約数和(自身を除く): 309388464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 72421, 144842, 217263, 289684, 362105, 434526, 506947, 579368, 724210, 869052, 1013894, 1086315, 1158736, 1448420, 1520841, 1738104, 2027788, 2172630, 2534735, 2896840, 3041682, 3476208, 4055576, 4345260, 5069470, 5793680, 6083364, 7604205, 8111152, 8690520, 10138940, 12166728, 15208410, 17381040, 20277880, 24333456, 30416820, 40555760, 60833640, 121667280]

約数ペア:

[(1, 121667280), (2, 60833640), (3, 40555760), (4, 30416820), (5, 24333456), (6, 20277880), (7, 17381040), (8, 15208410), (10, 12166728), (12, 10138940), (14, 8690520), (15, 8111152), (16, 7604205), (20, 6083364), (21, 5793680), (24, 5069470), (28, 4345260), (30, 4055576), (35, 3476208), (40, 3041682), (42, 2896840), (48, 2534735), (56, 2172630), (60, 2027788), (70, 1738104), (80, 1520841), (84, 1448420), (105, 1158736), (112, 1086315), (120, 1013894), (140, 869052), (168, 724210), (210, 579368), (240, 506947), (280, 434526), (336, 362105), (420, 289684), (560, 217263), (840, 144842), (1680, 72421)]