80618790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{967}}^1$

素因数の和:1381

約数の個数: 64

約数和(自身を含む): 221912064

約数和(自身を除く): 141293274

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 397, 794, 967, 1191, 1934, 1985, 2382, 2779, 2901, 3970, 4835, 5558, 5802, 5955, 6769, 8337, 9670, 11910, 13538, 13895, 14505, 16674, 20307, 27790, 29010, 33845, 40614, 41685, 67690, 83370, 101535, 203070, 383899, 767798, 1151697, 1919495, 2303394, 2687293, 3838990, 5374586, 5758485, 8061879, 11516970, 13436465, 16123758, 26872930, 40309395, 80618790]

約数ペア:

[(1, 80618790), (2, 40309395), (3, 26872930), (5, 16123758), (6, 13436465), (7, 11516970), (10, 8061879), (14, 5758485), (15, 5374586), (21, 3838990), (30, 2687293), (35, 2303394), (42, 1919495), (70, 1151697), (105, 767798), (210, 383899), (397, 203070), (794, 101535), (967, 83370), (1191, 67690), (1934, 41685), (1985, 40614), (2382, 33845), (2779, 29010), (2901, 27790), (3970, 20307), (4835, 16674), (5558, 14505), (5802, 13895), (5955, 13538), (6769, 11910), (8337, 9670)]