1289569920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{671651}}^1$

素因数の和:671673

約数の個数: 64

約数和(自身を含む): 4110510240

約数和(自身を除く): 2820940320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 671651, 1343302, 2014953, 2686604, 3358255, 4029906, 5373208, 6716510, 8059812, 10074765, 10746416, 13433020, 16119624, 20149530, 21492832, 26866040, 32239248, 40299060, 42985664, 53732080, 64478496, 80598120, 85971328, 107464160, 128956992, 161196240, 214928320, 257913984, 322392480, 429856640, 644784960, 1289569920]

約数ペア:

[(1, 1289569920), (2, 644784960), (3, 429856640), (4, 322392480), (5, 257913984), (6, 214928320), (8, 161196240), (10, 128956992), (12, 107464160), (15, 85971328), (16, 80598120), (20, 64478496), (24, 53732080), (30, 42985664), (32, 40299060), (40, 32239248), (48, 26866040), (60, 21492832), (64, 20149530), (80, 16119624), (96, 13433020), (120, 10746416), (128, 10074765), (160, 8059812), (192, 6716510), (240, 5373208), (320, 4029906), (384, 3358255), (480, 2686604), (640, 2014953), (960, 1343302), (1920, 671651)]