31258260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15787}}^1$

素因数の和:15813

約数の個数: 72

約数和(自身を含む): 103442976

約数和(自身を除く): 72184716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15787, 31574, 47361, 63148, 78935, 94722, 142083, 157870, 173657, 189444, 236805, 284166, 315740, 347314, 473610, 520971, 568332, 694628, 710415, 868285, 947220, 1041942, 1420830, 1562913, 1736570, 2083884, 2604855, 2841660, 3125826, 3473140, 5209710, 6251652, 7814565, 10419420, 15629130, 31258260]

約数ペア:

[(1, 31258260), (2, 15629130), (3, 10419420), (4, 7814565), (5, 6251652), (6, 5209710), (9, 3473140), (10, 3125826), (11, 2841660), (12, 2604855), (15, 2083884), (18, 1736570), (20, 1562913), (22, 1420830), (30, 1041942), (33, 947220), (36, 868285), (44, 710415), (45, 694628), (55, 568332), (60, 520971), (66, 473610), (90, 347314), (99, 315740), (110, 284166), (132, 236805), (165, 189444), (180, 173657), (198, 157870), (220, 142083), (330, 94722), (396, 78935), (495, 63148), (660, 47361), (990, 31574), (1980, 15787)]