155818040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 420336000

約数和(自身を除く): 264517960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 277, 280, 287, 328, 343, 392, 410, 490, 554, 574, 686, 820, 980, 1108, 1148, 1372, 1385, 1435, 1640, 1715, 1939, 1960, 2009, 2216, 2296, 2744, 2770, 2870, 3430, 3878, 4018, 5540, 5740, 6860, 7756, 8036, 9695, 10045, 11080, 11357, 11480, 13573, 13720, 14063, 15512, 16072, 19390, 20090, 22714, 27146, 28126, 38780, 40180, 45428, 54292, 56252, 56785, 67865, 70315, 77560, 79499, 80360, 90856, 95011, 108584, 112504, 113570, 135730, 140630, 158998, 190022, 227140, 271460, 281260, 317996, 380044, 397495, 454280, 475055, 542920, 556493, 562520, 635992, 760088, 794990, 950110, 1112986, 1589980, 1900220, 2225972, 2782465, 3179960, 3800440, 3895451, 4451944, 5564930, 7790902, 11129860, 15581804, 19477255, 22259720, 31163608, 38954510, 77909020, 155818040]

約数ペア:

[(1, 155818040), (2, 77909020), (4, 38954510), (5, 31163608), (7, 22259720), (8, 19477255), (10, 15581804), (14, 11129860), (20, 7790902), (28, 5564930), (35, 4451944), (40, 3895451), (41, 3800440), (49, 3179960), (56, 2782465), (70, 2225972), (82, 1900220), (98, 1589980), (140, 1112986), (164, 950110), (196, 794990), (205, 760088), (245, 635992), (277, 562520), (280, 556493), (287, 542920), (328, 475055), (343, 454280), (392, 397495), (410, 380044), (490, 317996), (554, 281260), (574, 271460), (686, 227140), (820, 190022), (980, 158998), (1108, 140630), (1148, 135730), (1372, 113570), (1385, 112504), (1435, 108584), (1640, 95011), (1715, 90856), (1939, 80360), (1960, 79499), (2009, 77560), (2216, 70315), (2296, 67865), (2744, 56785), (2770, 56252), (2870, 54292), (3430, 45428), (3878, 40180), (4018, 38780), (5540, 28126), (5740, 27146), (6860, 22714), (7756, 20090), (8036, 19390), (9695, 16072), (10045, 15512), (11080, 14063), (11357, 13720), (11480, 13573)]