82487580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28057}}^1$

素因数の和:28083

約数の個数: 72

約数和(自身を含む): 268683408

約数和(自身を除く): 186195828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28057, 56114, 84171, 112228, 140285, 168342, 196399, 280570, 336684, 392798, 420855, 561140, 589197, 785596, 841710, 981995, 1178394, 1374793, 1683420, 1963990, 2356788, 2749586, 2945985, 3927980, 4124379, 5499172, 5891970, 6873965, 8248758, 11783940, 13747930, 16497516, 20621895, 27495860, 41243790, 82487580]

約数ペア:

[(1, 82487580), (2, 41243790), (3, 27495860), (4, 20621895), (5, 16497516), (6, 13747930), (7, 11783940), (10, 8248758), (12, 6873965), (14, 5891970), (15, 5499172), (20, 4124379), (21, 3927980), (28, 2945985), (30, 2749586), (35, 2356788), (42, 1963990), (49, 1683420), (60, 1374793), (70, 1178394), (84, 981995), (98, 841710), (105, 785596), (140, 589197), (147, 561140), (196, 420855), (210, 392798), (245, 336684), (294, 280570), (420, 196399), (490, 168342), (588, 140285), (735, 112228), (980, 84171), (1470, 56114), (2940, 28057)]