242789120

素因数分解:

$2^8\times 5^1\times 7^4\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 180

約数和(自身を含む): 687029280

約数和(自身を除く): 444240160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 140, 158, 160, 196, 224, 245, 256, 280, 316, 320, 343, 392, 395, 448, 490, 553, 560, 632, 640, 686, 784, 790, 896, 980, 1106, 1120, 1264, 1280, 1372, 1568, 1580, 1715, 1792, 1960, 2212, 2240, 2401, 2528, 2744, 2765, 3136, 3160, 3430, 3871, 3920, 4424, 4480, 4802, 5056, 5488, 5530, 6272, 6320, 6860, 7742, 7840, 8848, 8960, 9604, 10112, 10976, 11060, 12005, 12544, 12640, 13720, 15484, 15680, 17696, 19208, 19355, 20224, 21952, 22120, 24010, 25280, 27097, 27440, 30968, 31360, 35392, 38416, 38710, 43904, 44240, 48020, 50560, 54194, 54880, 61936, 62720, 70784, 76832, 77420, 87808, 88480, 96040, 101120, 108388, 109760, 123872, 135485, 141568, 153664, 154840, 176960, 189679, 192080, 216776, 219520, 247744, 270970, 307328, 309680, 353920, 379358, 384160, 433552, 439040, 495488, 541940, 614656, 619360, 707840, 758716, 768320, 867104, 948395, 990976, 1083880, 1238720, 1517432, 1536640, 1734208, 1896790, 2167760, 2477440, 3034864, 3073280, 3468416, 3793580, 4335520, 4954880, 6069728, 6936832, 7587160, 8671040, 12139456, 15174320, 17342080, 24278912, 30348640, 34684160, 48557824, 60697280, 121394560, 242789120]

約数ペア:

[(1, 242789120), (2, 121394560), (4, 60697280), (5, 48557824), (7, 34684160), (8, 30348640), (10, 24278912), (14, 17342080), (16, 15174320), (20, 12139456), (28, 8671040), (32, 7587160), (35, 6936832), (40, 6069728), (49, 4954880), (56, 4335520), (64, 3793580), (70, 3468416), (79, 3073280), (80, 3034864), (98, 2477440), (112, 2167760), (128, 1896790), (140, 1734208), (158, 1536640), (160, 1517432), (196, 1238720), (224, 1083880), (245, 990976), (256, 948395), (280, 867104), (316, 768320), (320, 758716), (343, 707840), (392, 619360), (395, 614656), (448, 541940), (490, 495488), (553, 439040), (560, 433552), (632, 384160), (640, 379358), (686, 353920), (784, 309680), (790, 307328), (896, 270970), (980, 247744), (1106, 219520), (1120, 216776), (1264, 192080), (1280, 189679), (1372, 176960), (1568, 154840), (1580, 153664), (1715, 141568), (1792, 135485), (1960, 123872), (2212, 109760), (2240, 108388), (2401, 101120), (2528, 96040), (2744, 88480), (2765, 87808), (3136, 77420), (3160, 76832), (3430, 70784), (3871, 62720), (3920, 61936), (4424, 54880), (4480, 54194), (4802, 50560), (5056, 48020), (5488, 44240), (5530, 43904), (6272, 38710), (6320, 38416), (6860, 35392), (7742, 31360), (7840, 30968), (8848, 27440), (8960, 27097), (9604, 25280), (10112, 24010), (10976, 22120), (11060, 21952), (12005, 20224), (12544, 19355), (12640, 19208), (13720, 17696), (15484, 15680)]