1339143680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{74729}}^1$

素因数の和:74759

約数の個数: 80

約数和(自身を含む): 3669541920

約数和(自身を除く): 2330398240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 74729, 149458, 298916, 373645, 523103, 597832, 747290, 1046206, 1195664, 1494580, 2092412, 2391328, 2615515, 2989160, 4184824, 4782656, 5231030, 5978320, 8369648, 9565312, 10462060, 11956640, 16739296, 19130624, 20924120, 23913280, 33478592, 38261248, 41848240, 47826560, 66957184, 83696480, 95653120, 133914368, 167392960, 191306240, 267828736, 334785920, 669571840, 1339143680]

約数ペア:

[(1, 1339143680), (2, 669571840), (4, 334785920), (5, 267828736), (7, 191306240), (8, 167392960), (10, 133914368), (14, 95653120), (16, 83696480), (20, 66957184), (28, 47826560), (32, 41848240), (35, 38261248), (40, 33478592), (56, 23913280), (64, 20924120), (70, 19130624), (80, 16739296), (112, 11956640), (128, 10462060), (140, 9565312), (160, 8369648), (224, 5978320), (256, 5231030), (280, 4782656), (320, 4184824), (448, 2989160), (512, 2615515), (560, 2391328), (640, 2092412), (896, 1494580), (1120, 1195664), (1280, 1046206), (1792, 747290), (2240, 597832), (2560, 523103), (3584, 373645), (4480, 298916), (8960, 149458), (17920, 74729)]