398666760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{77261}}^1$

素因数の和:77318

約数の個数: 64

約数和(自身を含む): 1223830080

約数和(自身を除く): 825163320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 77261, 154522, 231783, 309044, 386305, 463566, 618088, 772610, 927132, 1158915, 1545220, 1854264, 2317830, 3090440, 3322223, 4635660, 6644446, 9271320, 9966669, 13288892, 16611115, 19933338, 26577784, 33222230, 39866676, 49833345, 66444460, 79733352, 99666690, 132888920, 199333380, 398666760]

約数ペア:

[(1, 398666760), (2, 199333380), (3, 132888920), (4, 99666690), (5, 79733352), (6, 66444460), (8, 49833345), (10, 39866676), (12, 33222230), (15, 26577784), (20, 19933338), (24, 16611115), (30, 13288892), (40, 9966669), (43, 9271320), (60, 6644446), (86, 4635660), (120, 3322223), (129, 3090440), (172, 2317830), (215, 1854264), (258, 1545220), (344, 1158915), (430, 927132), (516, 772610), (645, 618088), (860, 463566), (1032, 386305), (1290, 309044), (1720, 231783), (2580, 154522), (5160, 77261)]