158207985

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 308985600

約数和(自身を除く): 150777615

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 151, 195, 199, 351, 405, 453, 585, 597, 755, 995, 1053, 1359, 1755, 1791, 1963, 2265, 2587, 2985, 4077, 5265, 5373, 5889, 6795, 7761, 8955, 9815, 12231, 12935, 16119, 17667, 20385, 23283, 26865, 29445, 30049, 38805, 53001, 61155, 69849, 80595, 88335, 90147, 116415, 150245, 159003, 209547, 265005, 270441, 349245, 390637, 450735, 795015, 811323, 1047735, 1171911, 1352205, 1953185, 2433969, 3515733, 4056615, 5859555, 10547199, 12169845, 17578665, 31641597, 52735995, 158207985]

約数ペア:

[(1, 158207985), (3, 52735995), (5, 31641597), (9, 17578665), (13, 12169845), (15, 10547199), (27, 5859555), (39, 4056615), (45, 3515733), (65, 2433969), (81, 1953185), (117, 1352205), (135, 1171911), (151, 1047735), (195, 811323), (199, 795015), (351, 450735), (405, 390637), (453, 349245), (585, 270441), (597, 265005), (755, 209547), (995, 159003), (1053, 150245), (1359, 116415), (1755, 90147), (1791, 88335), (1963, 80595), (2265, 69849), (2587, 61155), (2985, 53001), (4077, 38805), (5265, 30049), (5373, 29445), (5889, 26865), (6795, 23283), (7761, 20385), (8955, 17667), (9815, 16119), (12231, 12935)]