68461680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40751}}^1$

素因数の和:40774

約数の個数: 80

約数和(自身を含む): 242555904

約数和(自身を除く): 174094224

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, 40751, 81502, 122253, 163004, 203755, 244506, 285257, 326008, 407510, 489012, 570514, 611265, 652016, 815020, 855771, 978024, 1141028, 1222530, 1426285, 1630040, 1711542, 1956048, 2282056, 2445060, 2852570, 3260080, 3423084, 4278855, 4564112, 4890120, 5705140, 6846168, 8557710, 9780240, 11410280, 13692336, 17115420, 22820560, 34230840, 68461680]

約数ペア:

[(1, 68461680), (2, 34230840), (3, 22820560), (4, 17115420), (5, 13692336), (6, 11410280), (7, 9780240), (8, 8557710), (10, 6846168), (12, 5705140), (14, 4890120), (15, 4564112), (16, 4278855), (20, 3423084), (21, 3260080), (24, 2852570), (28, 2445060), (30, 2282056), (35, 1956048), (40, 1711542), (42, 1630040), (48, 1426285), (56, 1222530), (60, 1141028), (70, 978024), (80, 855771), (84, 815020), (105, 652016), (112, 611265), (120, 570514), (140, 489012), (168, 407510), (210, 326008), (240, 285257), (280, 244506), (336, 203755), (420, 163004), (560, 122253), (840, 81502), (1680, 40751)]