254124640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20627}}^1$

素因数の和:20660

約数の個数: 96

約数和(自身を含む): 748548864

約数和(自身を除く): 494424224

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 20627, 41254, 82508, 103135, 144389, 165016, 206270, 226897, 288778, 330032, 412540, 453794, 577556, 660064, 721945, 825080, 907588, 1134485, 1155112, 1443890, 1588279, 1650160, 1815176, 2268970, 2310224, 2887780, 3176558, 3300320, 3630352, 4537940, 4620448, 5775560, 6353116, 7260704, 7941395, 9075880, 11551120, 12706232, 15882790, 18151760, 23102240, 25412464, 31765580, 36303520, 50824928, 63531160, 127062320, 254124640]

約数ペア:

[(1, 254124640), (2, 127062320), (4, 63531160), (5, 50824928), (7, 36303520), (8, 31765580), (10, 25412464), (11, 23102240), (14, 18151760), (16, 15882790), (20, 12706232), (22, 11551120), (28, 9075880), (32, 7941395), (35, 7260704), (40, 6353116), (44, 5775560), (55, 4620448), (56, 4537940), (70, 3630352), (77, 3300320), (80, 3176558), (88, 2887780), (110, 2310224), (112, 2268970), (140, 1815176), (154, 1650160), (160, 1588279), (176, 1443890), (220, 1155112), (224, 1134485), (280, 907588), (308, 825080), (352, 721945), (385, 660064), (440, 577556), (560, 453794), (616, 412540), (770, 330032), (880, 288778), (1120, 226897), (1232, 206270), (1540, 165016), (1760, 144389), (2464, 103135), (3080, 82508), (6160, 41254), (12320, 20627)]