213445120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 160

約数和(自身を含む): 600640128

約数和(自身を除く): 387195008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 256, 277, 280, 301, 320, 344, 430, 448, 512, 554, 560, 602, 640, 688, 860, 896, 1108, 1120, 1204, 1280, 1376, 1385, 1505, 1720, 1792, 1939, 2216, 2240, 2408, 2560, 2752, 2770, 3010, 3440, 3584, 3878, 4432, 4480, 4816, 5504, 5540, 6020, 6880, 7756, 8864, 8960, 9632, 9695, 11008, 11080, 11911, 12040, 13760, 15512, 17728, 17920, 19264, 19390, 22016, 22160, 23822, 24080, 27520, 31024, 35456, 38528, 38780, 44320, 47644, 48160, 55040, 59555, 62048, 70912, 77056, 77560, 83377, 88640, 95288, 96320, 110080, 119110, 124096, 141824, 154112, 155120, 166754, 177280, 190576, 192640, 238220, 248192, 310240, 333508, 354560, 381152, 385280, 416885, 476440, 496384, 620480, 667016, 709120, 762304, 770560, 833770, 952880, 992768, 1240960, 1334032, 1524608, 1667540, 1905760, 2481920, 2668064, 3049216, 3335080, 3811520, 4963840, 5336128, 6098432, 6670160, 7623040, 10672256, 13340320, 15246080, 21344512, 26680640, 30492160, 42689024, 53361280, 106722560, 213445120]

約数ペア:

[(1, 213445120), (2, 106722560), (4, 53361280), (5, 42689024), (7, 30492160), (8, 26680640), (10, 21344512), (14, 15246080), (16, 13340320), (20, 10672256), (28, 7623040), (32, 6670160), (35, 6098432), (40, 5336128), (43, 4963840), (56, 3811520), (64, 3335080), (70, 3049216), (80, 2668064), (86, 2481920), (112, 1905760), (128, 1667540), (140, 1524608), (160, 1334032), (172, 1240960), (215, 992768), (224, 952880), (256, 833770), (277, 770560), (280, 762304), (301, 709120), (320, 667016), (344, 620480), (430, 496384), (448, 476440), (512, 416885), (554, 385280), (560, 381152), (602, 354560), (640, 333508), (688, 310240), (860, 248192), (896, 238220), (1108, 192640), (1120, 190576), (1204, 177280), (1280, 166754), (1376, 155120), (1385, 154112), (1505, 141824), (1720, 124096), (1792, 119110), (1939, 110080), (2216, 96320), (2240, 95288), (2408, 88640), (2560, 83377), (2752, 77560), (2770, 77056), (3010, 70912), (3440, 62048), (3584, 59555), (3878, 55040), (4432, 48160), (4480, 47644), (4816, 44320), (5504, 38780), (5540, 38528), (6020, 35456), (6880, 31024), (7756, 27520), (8864, 24080), (8960, 23822), (9632, 22160), (9695, 22016), (11008, 19390), (11080, 19264), (11911, 17920), (12040, 17728), (13760, 15512)]