68140980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:766

約数の個数: 96

約数和(自身を含む): 213252480

約数和(自身を除く): 145111500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 257, 270, 491, 514, 540, 771, 982, 1028, 1285, 1473, 1542, 1964, 2313, 2455, 2570, 2946, 3084, 3855, 4419, 4626, 4910, 5140, 5892, 6939, 7365, 7710, 8838, 9252, 9820, 11565, 13257, 13878, 14730, 15420, 17676, 22095, 23130, 26514, 27756, 29460, 34695, 44190, 46260, 53028, 66285, 69390, 88380, 126187, 132570, 138780, 252374, 265140, 378561, 504748, 630935, 757122, 1135683, 1261870, 1514244, 1892805, 2271366, 2523740, 3407049, 3785610, 4542732, 5678415, 6814098, 7571220, 11356830, 13628196, 17035245, 22713660, 34070490, 68140980]

約数ペア:

[(1, 68140980), (2, 34070490), (3, 22713660), (4, 17035245), (5, 13628196), (6, 11356830), (9, 7571220), (10, 6814098), (12, 5678415), (15, 4542732), (18, 3785610), (20, 3407049), (27, 2523740), (30, 2271366), (36, 1892805), (45, 1514244), (54, 1261870), (60, 1135683), (90, 757122), (108, 630935), (135, 504748), (180, 378561), (257, 265140), (270, 252374), (491, 138780), (514, 132570), (540, 126187), (771, 88380), (982, 69390), (1028, 66285), (1285, 53028), (1473, 46260), (1542, 44190), (1964, 34695), (2313, 29460), (2455, 27756), (2570, 26514), (2946, 23130), (3084, 22095), (3855, 17676), (4419, 15420), (4626, 14730), (4910, 13878), (5140, 13257), (5892, 11565), (6939, 9820), (7365, 9252), (7710, 8838)]