1278946908

素因数分解:

$2^2\times 3^5\times {\mathrm{263}}^1\times {\mathrm{5003}}^1$

素因数の和:5285

約数の個数: 72

約数和(自身を含む): 3366050688

約数和(自身を除く): 2087103780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 263, 324, 486, 526, 789, 972, 1052, 1578, 2367, 3156, 4734, 5003, 7101, 9468, 10006, 14202, 15009, 20012, 21303, 28404, 30018, 42606, 45027, 60036, 63909, 85212, 90054, 127818, 135081, 180108, 255636, 270162, 405243, 540324, 810486, 1215729, 1315789, 1620972, 2431458, 2631578, 3947367, 4862916, 5263156, 7894734, 11842101, 15789468, 23684202, 35526303, 47368404, 71052606, 106578909, 142105212, 213157818, 319736727, 426315636, 639473454, 1278946908]

約数ペア:

[(1, 1278946908), (2, 639473454), (3, 426315636), (4, 319736727), (6, 213157818), (9, 142105212), (12, 106578909), (18, 71052606), (27, 47368404), (36, 35526303), (54, 23684202), (81, 15789468), (108, 11842101), (162, 7894734), (243, 5263156), (263, 4862916), (324, 3947367), (486, 2631578), (526, 2431458), (789, 1620972), (972, 1315789), (1052, 1215729), (1578, 810486), (2367, 540324), (3156, 405243), (4734, 270162), (5003, 255636), (7101, 180108), (9468, 135081), (10006, 127818), (14202, 90054), (15009, 85212), (20012, 63909), (21303, 60036), (28404, 45027), (30018, 42606)]