240835840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{26879}}^1$

素因数の和:26907

約数の個数: 72

約数和(自身を含む): 659312640

約数和(自身を除く): 418476800

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 26879, 53758, 107516, 134395, 188153, 215032, 268790, 376306, 430064, 537580, 752612, 860128, 940765, 1075160, 1505224, 1720256, 1881530, 2150320, 3010448, 3440512, 3763060, 4300640, 6020896, 6881024, 7526120, 8601280, 12041792, 15052240, 17202560, 24083584, 30104480, 34405120, 48167168, 60208960, 120417920, 240835840]

約数ペア:

[(1, 240835840), (2, 120417920), (4, 60208960), (5, 48167168), (7, 34405120), (8, 30104480), (10, 24083584), (14, 17202560), (16, 15052240), (20, 12041792), (28, 8601280), (32, 7526120), (35, 6881024), (40, 6020896), (56, 4300640), (64, 3763060), (70, 3440512), (80, 3010448), (112, 2150320), (128, 1881530), (140, 1720256), (160, 1505224), (224, 1075160), (256, 940765), (280, 860128), (320, 752612), (448, 537580), (560, 430064), (640, 376306), (896, 268790), (1120, 215032), (1280, 188153), (1792, 134395), (2240, 107516), (4480, 53758), (8960, 26879)]