42265160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 109278720

約数和(自身を除く): 67013560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 557, 1084, 1114, 1355, 1897, 2168, 2228, 2710, 2785, 3794, 3899, 4456, 5420, 5570, 7588, 7798, 9485, 10840, 11140, 15176, 15596, 18970, 19495, 22280, 31192, 37940, 38990, 75880, 77980, 150947, 155960, 301894, 603788, 754735, 1056629, 1207576, 1509470, 2113258, 3018940, 4226516, 5283145, 6037880, 8453032, 10566290, 21132580, 42265160]

約数ペア:

[(1, 42265160), (2, 21132580), (4, 10566290), (5, 8453032), (7, 6037880), (8, 5283145), (10, 4226516), (14, 3018940), (20, 2113258), (28, 1509470), (35, 1207576), (40, 1056629), (56, 754735), (70, 603788), (140, 301894), (271, 155960), (280, 150947), (542, 77980), (557, 75880), (1084, 38990), (1114, 37940), (1355, 31192), (1897, 22280), (2168, 19495), (2228, 18970), (2710, 15596), (2785, 15176), (3794, 11140), (3899, 10840), (4456, 9485), (5420, 7798), (5570, 7588)]