140647920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83719}}^1$

素因数の和:83742

約数の個数: 80

約数和(自身を含む): 498301440

約数和(自身を除く): 357653520

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, 83719, 167438, 251157, 334876, 418595, 502314, 586033, 669752, 837190, 1004628, 1172066, 1255785, 1339504, 1674380, 1758099, 2009256, 2344132, 2511570, 2930165, 3348760, 3516198, 4018512, 4688264, 5023140, 5860330, 6697520, 7032396, 8790495, 9376528, 10046280, 11720660, 14064792, 17580990, 20092560, 23441320, 28129584, 35161980, 46882640, 70323960, 140647920]

約数ペア:

[(1, 140647920), (2, 70323960), (3, 46882640), (4, 35161980), (5, 28129584), (6, 23441320), (7, 20092560), (8, 17580990), (10, 14064792), (12, 11720660), (14, 10046280), (15, 9376528), (16, 8790495), (20, 7032396), (21, 6697520), (24, 5860330), (28, 5023140), (30, 4688264), (35, 4018512), (40, 3516198), (42, 3348760), (48, 2930165), (56, 2511570), (60, 2344132), (70, 2009256), (80, 1758099), (84, 1674380), (105, 1339504), (112, 1255785), (120, 1172066), (140, 1004628), (168, 837190), (210, 669752), (240, 586033), (280, 502314), (336, 418595), (420, 334876), (560, 251157), (840, 167438), (1680, 83719)]