68905890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:993

約数の個数: 80

約数和(自身を含む): 187403832

約数和(自身を除く): 118497942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 97, 135, 162, 194, 270, 291, 405, 485, 582, 810, 873, 877, 970, 1455, 1746, 1754, 2619, 2631, 2910, 4365, 4385, 5238, 5262, 7857, 7893, 8730, 8770, 13095, 13155, 15714, 15786, 23679, 26190, 26310, 39285, 39465, 47358, 71037, 78570, 78930, 85069, 118395, 142074, 170138, 236790, 255207, 355185, 425345, 510414, 710370, 765621, 850690, 1276035, 1531242, 2296863, 2552070, 3828105, 4593726, 6890589, 7656210, 11484315, 13781178, 22968630, 34452945, 68905890]

約数ペア:

[(1, 68905890), (2, 34452945), (3, 22968630), (5, 13781178), (6, 11484315), (9, 7656210), (10, 6890589), (15, 4593726), (18, 3828105), (27, 2552070), (30, 2296863), (45, 1531242), (54, 1276035), (81, 850690), (90, 765621), (97, 710370), (135, 510414), (162, 425345), (194, 355185), (270, 255207), (291, 236790), (405, 170138), (485, 142074), (582, 118395), (810, 85069), (873, 78930), (877, 78570), (970, 71037), (1455, 47358), (1746, 39465), (1754, 39285), (2619, 26310), (2631, 26190), (2910, 23679), (4365, 15786), (4385, 15714), (5238, 13155), (5262, 13095), (7857, 8770), (7893, 8730)]