161651640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79241}}^1$

素因数の和:79272

約数の個数: 64

約数和(自身を含む): 513488160

約数和(自身を除く): 351836520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 79241, 158482, 237723, 316964, 396205, 475446, 633928, 792410, 950892, 1188615, 1347097, 1584820, 1901784, 2377230, 2694194, 3169640, 4041291, 4754460, 5388388, 6735485, 8082582, 9508920, 10776776, 13470970, 16165164, 20206455, 26941940, 32330328, 40412910, 53883880, 80825820, 161651640]

約数ペア:

[(1, 161651640), (2, 80825820), (3, 53883880), (4, 40412910), (5, 32330328), (6, 26941940), (8, 20206455), (10, 16165164), (12, 13470970), (15, 10776776), (17, 9508920), (20, 8082582), (24, 6735485), (30, 5388388), (34, 4754460), (40, 4041291), (51, 3169640), (60, 2694194), (68, 2377230), (85, 1901784), (102, 1584820), (120, 1347097), (136, 1188615), (170, 950892), (204, 792410), (255, 633928), (340, 475446), (408, 396205), (510, 316964), (680, 237723), (1020, 158482), (2040, 79241)]