68395340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 164263680

約数和(自身を除く): 95868340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 47, 52, 58, 65, 94, 116, 130, 145, 188, 193, 235, 260, 290, 377, 386, 470, 580, 611, 754, 772, 940, 965, 1222, 1363, 1508, 1885, 1930, 2444, 2509, 2726, 3055, 3770, 3860, 5018, 5452, 5597, 6110, 6815, 7540, 9071, 10036, 11194, 12220, 12545, 13630, 17719, 18142, 22388, 25090, 27260, 27985, 35438, 36284, 45355, 50180, 55970, 70876, 72761, 88595, 90710, 111940, 117923, 145522, 177190, 181420, 235846, 263059, 291044, 354380, 363805, 471692, 526118, 589615, 727610, 1052236, 1179230, 1315295, 1455220, 2358460, 2630590, 3419767, 5261180, 6839534, 13679068, 17098835, 34197670, 68395340]

約数ペア:

[(1, 68395340), (2, 34197670), (4, 17098835), (5, 13679068), (10, 6839534), (13, 5261180), (20, 3419767), (26, 2630590), (29, 2358460), (47, 1455220), (52, 1315295), (58, 1179230), (65, 1052236), (94, 727610), (116, 589615), (130, 526118), (145, 471692), (188, 363805), (193, 354380), (235, 291044), (260, 263059), (290, 235846), (377, 181420), (386, 177190), (470, 145522), (580, 117923), (611, 111940), (754, 90710), (772, 88595), (940, 72761), (965, 70876), (1222, 55970), (1363, 50180), (1508, 45355), (1885, 36284), (1930, 35438), (2444, 27985), (2509, 27260), (2726, 25090), (3055, 22388), (3770, 18142), (3860, 17719), (5018, 13630), (5452, 12545), (5597, 12220), (6110, 11194), (6815, 10036), (7540, 9071)]