215529440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:809

約数の個数: 144

約数和(自身を含む): 609148512

約数和(自身を除く): 393619072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 743, 784, 980, 1036, 1120, 1184, 1295, 1480, 1486, 1568, 1813, 1960, 2072, 2590, 2960, 2972, 3626, 3715, 3920, 4144, 5180, 5201, 5920, 5944, 7252, 7430, 7840, 8288, 9065, 10360, 10402, 11888, 14504, 14860, 18130, 20720, 20804, 23776, 26005, 27491, 29008, 29720, 36260, 36407, 41440, 41608, 52010, 54982, 58016, 59440, 72520, 72814, 83216, 104020, 109964, 118880, 137455, 145040, 145628, 166432, 182035, 192437, 208040, 219928, 274910, 290080, 291256, 364070, 384874, 416080, 439856, 549820, 582512, 728140, 769748, 832160, 879712, 962185, 1099640, 1165024, 1347059, 1456280, 1539496, 1924370, 2199280, 2694118, 2912560, 3078992, 3848740, 4398560, 5388236, 5825120, 6157984, 6735295, 7697480, 10776472, 13470590, 15394960, 21552944, 26941180, 30789920, 43105888, 53882360, 107764720, 215529440]

約数ペア:

[(1, 215529440), (2, 107764720), (4, 53882360), (5, 43105888), (7, 30789920), (8, 26941180), (10, 21552944), (14, 15394960), (16, 13470590), (20, 10776472), (28, 7697480), (32, 6735295), (35, 6157984), (37, 5825120), (40, 5388236), (49, 4398560), (56, 3848740), (70, 3078992), (74, 2912560), (80, 2694118), (98, 2199280), (112, 1924370), (140, 1539496), (148, 1456280), (160, 1347059), (185, 1165024), (196, 1099640), (224, 962185), (245, 879712), (259, 832160), (280, 769748), (296, 728140), (370, 582512), (392, 549820), (490, 439856), (518, 416080), (560, 384874), (592, 364070), (740, 291256), (743, 290080), (784, 274910), (980, 219928), (1036, 208040), (1120, 192437), (1184, 182035), (1295, 166432), (1480, 145628), (1486, 145040), (1568, 137455), (1813, 118880), (1960, 109964), (2072, 104020), (2590, 83216), (2960, 72814), (2972, 72520), (3626, 59440), (3715, 58016), (3920, 54982), (4144, 52010), (5180, 41608), (5201, 41440), (5920, 36407), (5944, 36260), (7252, 29720), (7430, 29008), (7840, 27491), (8288, 26005), (9065, 23776), (10360, 20804), (10402, 20720), (11888, 18130), (14504, 14860)]