145687920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{86719}}^1$

素因数の和:86742

約数の個数: 80

約数和(自身を含む): 516157440

約数和(自身を除く): 370469520

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, 86719, 173438, 260157, 346876, 433595, 520314, 607033, 693752, 867190, 1040628, 1214066, 1300785, 1387504, 1734380, 1821099, 2081256, 2428132, 2601570, 3035165, 3468760, 3642198, 4162512, 4856264, 5203140, 6070330, 6937520, 7284396, 9105495, 9712528, 10406280, 12140660, 14568792, 18210990, 20812560, 24281320, 29137584, 36421980, 48562640, 72843960, 145687920]

約数ペア:

[(1, 145687920), (2, 72843960), (3, 48562640), (4, 36421980), (5, 29137584), (6, 24281320), (7, 20812560), (8, 18210990), (10, 14568792), (12, 12140660), (14, 10406280), (15, 9712528), (16, 9105495), (20, 7284396), (21, 6937520), (24, 6070330), (28, 5203140), (30, 4856264), (35, 4162512), (40, 3642198), (42, 3468760), (48, 3035165), (56, 2601570), (60, 2428132), (70, 2081256), (80, 1821099), (84, 1734380), (105, 1387504), (112, 1300785), (120, 1214066), (140, 1040628), (168, 867190), (210, 693752), (240, 607033), (280, 520314), (336, 433595), (420, 346876), (560, 260157), (840, 173438), (1680, 86719)]