338487680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 874450080

約数和(自身を除く): 535962400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 128, 136, 160, 170, 212, 265, 272, 320, 340, 424, 530, 544, 587, 640, 680, 848, 901, 1060, 1088, 1174, 1360, 1696, 1802, 2120, 2176, 2348, 2720, 2935, 3392, 3604, 4240, 4505, 4696, 5440, 5870, 6784, 7208, 8480, 9010, 9392, 9979, 10880, 11740, 14416, 16960, 18020, 18784, 19958, 23480, 28832, 31111, 33920, 36040, 37568, 39916, 46960, 49895, 57664, 62222, 72080, 75136, 79832, 93920, 99790, 115328, 124444, 144160, 155555, 159664, 187840, 199580, 248888, 288320, 311110, 319328, 375680, 399160, 497776, 528887, 576640, 622220, 638656, 798320, 995552, 1057774, 1244440, 1277312, 1596640, 1991104, 2115548, 2488880, 2644435, 3193280, 3982208, 4231096, 4977760, 5288870, 6386560, 8462192, 9955520, 10577740, 16924384, 19911040, 21155480, 33848768, 42310960, 67697536, 84621920, 169243840, 338487680]

約数ペア:

[(1, 338487680), (2, 169243840), (4, 84621920), (5, 67697536), (8, 42310960), (10, 33848768), (16, 21155480), (17, 19911040), (20, 16924384), (32, 10577740), (34, 9955520), (40, 8462192), (53, 6386560), (64, 5288870), (68, 4977760), (80, 4231096), (85, 3982208), (106, 3193280), (128, 2644435), (136, 2488880), (160, 2115548), (170, 1991104), (212, 1596640), (265, 1277312), (272, 1244440), (320, 1057774), (340, 995552), (424, 798320), (530, 638656), (544, 622220), (587, 576640), (640, 528887), (680, 497776), (848, 399160), (901, 375680), (1060, 319328), (1088, 311110), (1174, 288320), (1360, 248888), (1696, 199580), (1802, 187840), (2120, 159664), (2176, 155555), (2348, 144160), (2720, 124444), (2935, 115328), (3392, 99790), (3604, 93920), (4240, 79832), (4505, 75136), (4696, 72080), (5440, 62222), (5870, 57664), (6784, 49895), (7208, 46960), (8480, 39916), (9010, 37568), (9392, 36040), (9979, 33920), (10880, 31111), (11740, 28832), (14416, 23480), (16960, 19958), (18020, 18784)]