69648880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 186148800

約数和(自身を除く): 116499920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 277, 280, 449, 554, 560, 898, 1108, 1385, 1796, 1939, 2216, 2245, 2770, 3143, 3592, 3878, 4432, 4490, 5540, 6286, 7184, 7756, 8980, 9695, 11080, 12572, 15512, 15715, 17960, 19390, 22160, 25144, 31024, 31430, 35920, 38780, 50288, 62860, 77560, 124373, 125720, 155120, 248746, 251440, 497492, 621865, 870611, 994984, 1243730, 1741222, 1989968, 2487460, 3482444, 4353055, 4974920, 6964888, 8706110, 9949840, 13929776, 17412220, 34824440, 69648880]

約数ペア:

[(1, 69648880), (2, 34824440), (4, 17412220), (5, 13929776), (7, 9949840), (8, 8706110), (10, 6964888), (14, 4974920), (16, 4353055), (20, 3482444), (28, 2487460), (35, 1989968), (40, 1741222), (56, 1243730), (70, 994984), (80, 870611), (112, 621865), (140, 497492), (277, 251440), (280, 248746), (449, 155120), (554, 125720), (560, 124373), (898, 77560), (1108, 62860), (1385, 50288), (1796, 38780), (1939, 35920), (2216, 31430), (2245, 31024), (2770, 25144), (3143, 22160), (3592, 19390), (3878, 17960), (4432, 15715), (4490, 15512), (5540, 12572), (6286, 11080), (7184, 9695), (7756, 8980)]