257514930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2087}}^1$

素因数の和:2560

約数の個数: 64

約数和(自身を含む): 688538880

約数和(自身を除く): 431023950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 457, 914, 1371, 2087, 2285, 2742, 4113, 4174, 4570, 6261, 6855, 8226, 10435, 12339, 12522, 13710, 18783, 20565, 20870, 24678, 31305, 37566, 41130, 56349, 61695, 62610, 93915, 112698, 123390, 187830, 281745, 563490, 953759, 1907518, 2861277, 4768795, 5722554, 8583831, 9537590, 14306385, 17167662, 25751493, 28612770, 42919155, 51502986, 85838310, 128757465, 257514930]

約数ペア:

[(1, 257514930), (2, 128757465), (3, 85838310), (5, 51502986), (6, 42919155), (9, 28612770), (10, 25751493), (15, 17167662), (18, 14306385), (27, 9537590), (30, 8583831), (45, 5722554), (54, 4768795), (90, 2861277), (135, 1907518), (270, 953759), (457, 563490), (914, 281745), (1371, 187830), (2087, 123390), (2285, 112698), (2742, 93915), (4113, 62610), (4174, 61695), (4570, 56349), (6261, 41130), (6855, 37566), (8226, 31305), (10435, 24678), (12339, 20870), (12522, 20565), (13710, 18783)]