66778240

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 160931520

約数和(自身を除く): 94153280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 604, 640, 691, 755, 1208, 1382, 1510, 2416, 2764, 3020, 3455, 4832, 5528, 6040, 6910, 9664, 11056, 12080, 13820, 19328, 22112, 24160, 27640, 44224, 48320, 55280, 88448, 96640, 104341, 110560, 208682, 221120, 417364, 442240, 521705, 834728, 1043410, 1669456, 2086820, 3338912, 4173640, 6677824, 8347280, 13355648, 16694560, 33389120, 66778240]

約数ペア:

[(1, 66778240), (2, 33389120), (4, 16694560), (5, 13355648), (8, 8347280), (10, 6677824), (16, 4173640), (20, 3338912), (32, 2086820), (40, 1669456), (64, 1043410), (80, 834728), (128, 521705), (151, 442240), (160, 417364), (302, 221120), (320, 208682), (604, 110560), (640, 104341), (691, 96640), (755, 88448), (1208, 55280), (1382, 48320), (1510, 44224), (2416, 27640), (2764, 24160), (3020, 22112), (3455, 19328), (4832, 13820), (5528, 12080), (6040, 11056), (6910, 9664)]