2157680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3853}}^1$

素因数の和:3873

約数の個数: 40

約数和(自身を含む): 5734752

約数和(自身を除く): 3577072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3853, 7706, 15412, 19265, 26971, 30824, 38530, 53942, 61648, 77060, 107884, 134855, 154120, 215768, 269710, 308240, 431536, 539420, 1078840, 2157680]

約数ペア:

[(1, 2157680), (2, 1078840), (4, 539420), (5, 431536), (7, 308240), (8, 269710), (10, 215768), (14, 154120), (16, 134855), (20, 107884), (28, 77060), (35, 61648), (40, 53942), (56, 38530), (70, 30824), (80, 26971), (112, 19265), (140, 15412), (280, 7706), (560, 3853)]