129377920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{28879}}^1$

素因数の和:28905

約数の個数: 64

約数和(自身を含む): 353491200

約数和(自身を除く): 224113280

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 28879, 57758, 115516, 144395, 202153, 231032, 288790, 404306, 462064, 577580, 808612, 924128, 1010765, 1155160, 1617224, 1848256, 2021530, 2310320, 3234448, 3696512, 4043060, 4620640, 6468896, 8086120, 9241280, 12937792, 16172240, 18482560, 25875584, 32344480, 64688960, 129377920]

約数ペア:

[(1, 129377920), (2, 64688960), (4, 32344480), (5, 25875584), (7, 18482560), (8, 16172240), (10, 12937792), (14, 9241280), (16, 8086120), (20, 6468896), (28, 4620640), (32, 4043060), (35, 3696512), (40, 3234448), (56, 2310320), (64, 2021530), (70, 1848256), (80, 1617224), (112, 1155160), (128, 1010765), (140, 924128), (160, 808612), (224, 577580), (280, 462064), (320, 404306), (448, 288790), (560, 231032), (640, 202153), (896, 144395), (1120, 115516), (2240, 57758), (4480, 28879)]