51210540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 156029328

約数和(自身を除く): 104818788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 293, 586, 879, 971, 1172, 1465, 1758, 1942, 2637, 2913, 2930, 3516, 3884, 4395, 4855, 5274, 5826, 5860, 8739, 8790, 9710, 10548, 11652, 13185, 14565, 17478, 17580, 19420, 26370, 29130, 34956, 43695, 52740, 58260, 87390, 174780, 284503, 569006, 853509, 1138012, 1422515, 1707018, 2560527, 2845030, 3414036, 4267545, 5121054, 5690060, 8535090, 10242108, 12802635, 17070180, 25605270, 51210540]

約数ペア:

[(1, 51210540), (2, 25605270), (3, 17070180), (4, 12802635), (5, 10242108), (6, 8535090), (9, 5690060), (10, 5121054), (12, 4267545), (15, 3414036), (18, 2845030), (20, 2560527), (30, 1707018), (36, 1422515), (45, 1138012), (60, 853509), (90, 569006), (180, 284503), (293, 174780), (586, 87390), (879, 58260), (971, 52740), (1172, 43695), (1465, 34956), (1758, 29130), (1942, 26370), (2637, 19420), (2913, 17580), (2930, 17478), (3516, 14565), (3884, 13185), (4395, 11652), (4855, 10548), (5274, 9710), (5826, 8790), (5860, 8739)]