128864960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{57529}}^1$

素因数の和:57553

約数の個数: 56

約数和(自身を含む): 350702880

約数和(自身を除く): 221837920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 57529, 115058, 230116, 287645, 402703, 460232, 575290, 805406, 920464, 1150580, 1610812, 1840928, 2013515, 2301160, 3221624, 3681856, 4027030, 4602320, 6443248, 8054060, 9204640, 12886496, 16108120, 18409280, 25772992, 32216240, 64432480, 128864960]

約数ペア:

[(1, 128864960), (2, 64432480), (4, 32216240), (5, 25772992), (7, 18409280), (8, 16108120), (10, 12886496), (14, 9204640), (16, 8054060), (20, 6443248), (28, 4602320), (32, 4027030), (35, 3681856), (40, 3221624), (56, 2301160), (64, 2013515), (70, 1840928), (80, 1610812), (112, 1150580), (140, 920464), (160, 805406), (224, 575290), (280, 460232), (320, 402703), (448, 287645), (560, 230116), (1120, 115058), (2240, 57529)]