66508120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1373}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 172134720

約数和(自身を除く): 105626600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1373, 1384, 1730, 2422, 2746, 3460, 4844, 5492, 6055, 6865, 6920, 9611, 9688, 10984, 12110, 13730, 19222, 24220, 27460, 38444, 48055, 48440, 54920, 76888, 96110, 192220, 237529, 384440, 475058, 950116, 1187645, 1662703, 1900232, 2375290, 3325406, 4750580, 6650812, 8313515, 9501160, 13301624, 16627030, 33254060, 66508120]

約数ペア:

[(1, 66508120), (2, 33254060), (4, 16627030), (5, 13301624), (7, 9501160), (8, 8313515), (10, 6650812), (14, 4750580), (20, 3325406), (28, 2375290), (35, 1900232), (40, 1662703), (56, 1187645), (70, 950116), (140, 475058), (173, 384440), (280, 237529), (346, 192220), (692, 96110), (865, 76888), (1211, 54920), (1373, 48440), (1384, 48055), (1730, 38444), (2422, 27460), (2746, 24220), (3460, 19222), (4844, 13730), (5492, 12110), (6055, 10984), (6865, 9688), (6920, 9611)]