65488140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8461}}^1$

素因数の和:8519

約数の個数: 72

約数和(自身を含む): 203291088

約数和(自身を除く): 137802948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8461, 16922, 25383, 33844, 42305, 50766, 76149, 84610, 101532, 126915, 152298, 169220, 253830, 304596, 363823, 380745, 507660, 727646, 761490, 1091469, 1455292, 1522980, 1819115, 2182938, 3274407, 3638230, 4365876, 5457345, 6548814, 7276460, 10914690, 13097628, 16372035, 21829380, 32744070, 65488140]

約数ペア:

[(1, 65488140), (2, 32744070), (3, 21829380), (4, 16372035), (5, 13097628), (6, 10914690), (9, 7276460), (10, 6548814), (12, 5457345), (15, 4365876), (18, 3638230), (20, 3274407), (30, 2182938), (36, 1819115), (43, 1522980), (45, 1455292), (60, 1091469), (86, 761490), (90, 727646), (129, 507660), (172, 380745), (180, 363823), (215, 304596), (258, 253830), (387, 169220), (430, 152298), (516, 126915), (645, 101532), (774, 84610), (860, 76149), (1290, 50766), (1548, 42305), (1935, 33844), (2580, 25383), (3870, 16922), (7740, 8461)]