1625554960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{8599}}^1$

素因数の和:8768

約数の個数: 80

約数和(自身を含む): 4030992000

約数和(自身を除く): 2405437040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 556, 680, 695, 1112, 1360, 1390, 2224, 2363, 2780, 4726, 5560, 8599, 9452, 11120, 11815, 17198, 18904, 23630, 34396, 37808, 42995, 47260, 68792, 85990, 94520, 137584, 146183, 171980, 189040, 292366, 343960, 584732, 687920, 730915, 1169464, 1195261, 1461830, 2338928, 2390522, 2923660, 4781044, 5847320, 5976305, 9562088, 11694640, 11952610, 19124176, 20319437, 23905220, 40638874, 47810440, 81277748, 95620880, 101597185, 162555496, 203194370, 325110992, 406388740, 812777480, 1625554960]

約数ペア:

[(1, 1625554960), (2, 812777480), (4, 406388740), (5, 325110992), (8, 203194370), (10, 162555496), (16, 101597185), (17, 95620880), (20, 81277748), (34, 47810440), (40, 40638874), (68, 23905220), (80, 20319437), (85, 19124176), (136, 11952610), (139, 11694640), (170, 9562088), (272, 5976305), (278, 5847320), (340, 4781044), (556, 2923660), (680, 2390522), (695, 2338928), (1112, 1461830), (1360, 1195261), (1390, 1169464), (2224, 730915), (2363, 687920), (2780, 584732), (4726, 343960), (5560, 292366), (8599, 189040), (9452, 171980), (11120, 146183), (11815, 137584), (17198, 94520), (18904, 85990), (23630, 68792), (34396, 47260), (37808, 42995)]