156904290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2113

約数の個数: 80

約数和(自身を含む): 426461112

約数和(自身を除く): 269556822

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, 970, 1455, 1746, 1997, 2619, 2910, 3994, 4365, 5238, 5991, 7857, 8730, 9985, 11982, 13095, 15714, 17973, 19970, 26190, 29955, 35946, 39285, 53919, 59910, 78570, 89865, 107838, 161757, 179730, 193709, 269595, 323514, 387418, 539190, 581127, 808785, 968545, 1162254, 1617570, 1743381, 1937090, 2905635, 3486762, 5230143, 5811270, 8716905, 10460286, 15690429, 17433810, 26150715, 31380858, 52301430, 78452145, 156904290]

約数ペア:

[(1, 156904290), (2, 78452145), (3, 52301430), (5, 31380858), (6, 26150715), (9, 17433810), (10, 15690429), (15, 10460286), (18, 8716905), (27, 5811270), (30, 5230143), (45, 3486762), (54, 2905635), (81, 1937090), (90, 1743381), (97, 1617570), (135, 1162254), (162, 968545), (194, 808785), (270, 581127), (291, 539190), (405, 387418), (485, 323514), (582, 269595), (810, 193709), (873, 179730), (970, 161757), (1455, 107838), (1746, 89865), (1997, 78570), (2619, 59910), (2910, 53919), (3994, 39285), (4365, 35946), (5238, 29955), (5991, 26190), (7857, 19970), (8730, 17973), (9985, 15714), (11982, 13095)]