7858260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 24078600

約数和(自身を除く): 16220340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 293, 298, 447, 586, 596, 745, 879, 894, 1172, 1341, 1465, 1490, 1758, 1788, 2235, 2637, 2682, 2930, 2980, 3516, 4395, 4470, 5274, 5364, 5860, 6705, 8790, 8940, 10548, 13185, 13410, 17580, 26370, 26820, 43657, 52740, 87314, 130971, 174628, 218285, 261942, 392913, 436570, 523884, 654855, 785826, 873140, 1309710, 1571652, 1964565, 2619420, 3929130, 7858260]

約数ペア:

[(1, 7858260), (2, 3929130), (3, 2619420), (4, 1964565), (5, 1571652), (6, 1309710), (9, 873140), (10, 785826), (12, 654855), (15, 523884), (18, 436570), (20, 392913), (30, 261942), (36, 218285), (45, 174628), (60, 130971), (90, 87314), (149, 52740), (180, 43657), (293, 26820), (298, 26370), (447, 17580), (586, 13410), (596, 13185), (745, 10548), (879, 8940), (894, 8790), (1172, 6705), (1341, 5860), (1465, 5364), (1490, 5274), (1758, 4470), (1788, 4395), (2235, 3516), (2637, 2980), (2682, 2930)]