127800320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 88

約数和(自身を含む): 310734600

約数和(自身を除く): 182934280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 229, 256, 320, 436, 458, 512, 545, 640, 872, 916, 1024, 1090, 1145, 1280, 1744, 1832, 2180, 2290, 2560, 3488, 3664, 4360, 4580, 5120, 6976, 7328, 8720, 9160, 13952, 14656, 17440, 18320, 24961, 27904, 29312, 34880, 36640, 49922, 55808, 58624, 69760, 73280, 99844, 111616, 117248, 124805, 139520, 146560, 199688, 234496, 249610, 279040, 293120, 399376, 499220, 558080, 586240, 798752, 998440, 1172480, 1597504, 1996880, 3195008, 3993760, 6390016, 7987520, 12780032, 15975040, 25560064, 31950080, 63900160, 127800320]

約数ペア:

[(1, 127800320), (2, 63900160), (4, 31950080), (5, 25560064), (8, 15975040), (10, 12780032), (16, 7987520), (20, 6390016), (32, 3993760), (40, 3195008), (64, 1996880), (80, 1597504), (109, 1172480), (128, 998440), (160, 798752), (218, 586240), (229, 558080), (256, 499220), (320, 399376), (436, 293120), (458, 279040), (512, 249610), (545, 234496), (640, 199688), (872, 146560), (916, 139520), (1024, 124805), (1090, 117248), (1145, 111616), (1280, 99844), (1744, 73280), (1832, 69760), (2180, 58624), (2290, 55808), (2560, 49922), (3488, 36640), (3664, 34880), (4360, 29312), (4580, 27904), (5120, 24961), (6976, 18320), (7328, 17440), (8720, 14656), (9160, 13952)]