68909820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{164071}}^1$

素因数の和:164090

約数の個数: 48

約数和(自身を含む): 220512768

約数和(自身を除く): 151602948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 164071, 328142, 492213, 656284, 820355, 984426, 1148497, 1640710, 1968852, 2296994, 2461065, 3281420, 3445491, 4593988, 4922130, 5742485, 6890982, 9844260, 11484970, 13781964, 17227455, 22969940, 34454910, 68909820]

約数ペア:

[(1, 68909820), (2, 34454910), (3, 22969940), (4, 17227455), (5, 13781964), (6, 11484970), (7, 9844260), (10, 6890982), (12, 5742485), (14, 4922130), (15, 4593988), (20, 3445491), (21, 3281420), (28, 2461065), (30, 2296994), (35, 1968852), (42, 1640710), (60, 1148497), (70, 984426), (84, 820355), (105, 656284), (140, 492213), (210, 328142), (420, 164071)]