68579910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{15551}}^1$

素因数の和:15578

約数の個数: 72

約数和(自身を含む): 207432576

約数和(自身を除く): 138852666

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 15551, 31102, 46653, 77755, 93306, 108857, 139959, 155510, 217714, 233265, 279918, 326571, 466530, 544285, 653142, 699795, 761999, 979713, 1088570, 1399590, 1523998, 1632855, 1959426, 2285997, 3265710, 3809995, 4571994, 4898565, 6857991, 7619990, 9797130, 11429985, 13715982, 22859970, 34289955, 68579910]

約数ペア:

[(1, 68579910), (2, 34289955), (3, 22859970), (5, 13715982), (6, 11429985), (7, 9797130), (9, 7619990), (10, 6857991), (14, 4898565), (15, 4571994), (18, 3809995), (21, 3265710), (30, 2285997), (35, 1959426), (42, 1632855), (45, 1523998), (49, 1399590), (63, 1088570), (70, 979713), (90, 761999), (98, 699795), (105, 653142), (126, 544285), (147, 466530), (210, 326571), (245, 279918), (294, 233265), (315, 217714), (441, 155510), (490, 139959), (630, 108857), (735, 93306), (882, 77755), (1470, 46653), (2205, 31102), (4410, 15551)]