78632680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3847}}^1$

素因数の和:3938

約数の個数: 64

約数和(自身を含む): 205021440

約数和(自身を除く): 126388760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3847, 4088, 5110, 7694, 10220, 15388, 19235, 20440, 26929, 30776, 38470, 53858, 76940, 107716, 134645, 153880, 215432, 269290, 280831, 538580, 561662, 1077160, 1123324, 1404155, 1965817, 2246648, 2808310, 3931634, 5616620, 7863268, 9829085, 11233240, 15726536, 19658170, 39316340, 78632680]

約数ペア:

[(1, 78632680), (2, 39316340), (4, 19658170), (5, 15726536), (7, 11233240), (8, 9829085), (10, 7863268), (14, 5616620), (20, 3931634), (28, 2808310), (35, 2246648), (40, 1965817), (56, 1404155), (70, 1123324), (73, 1077160), (140, 561662), (146, 538580), (280, 280831), (292, 269290), (365, 215432), (511, 153880), (584, 134645), (730, 107716), (1022, 76940), (1460, 53858), (2044, 38470), (2555, 30776), (2920, 26929), (3847, 20440), (4088, 19235), (5110, 15388), (7694, 10220)]