1391463720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{19423}}^1$

素因数の和:19639

約数の個数: 96

約数和(自身を含む): 4545216000

約数和(自身を除く): 3153752280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 360, 398, 597, 796, 995, 1194, 1592, 1791, 1990, 2388, 2985, 3582, 3980, 4776, 5970, 7164, 7960, 8955, 11940, 14328, 17910, 19423, 23880, 35820, 38846, 58269, 71640, 77692, 97115, 116538, 155384, 174807, 194230, 233076, 291345, 349614, 388460, 466152, 582690, 699228, 776920, 874035, 1165380, 1398456, 1748070, 2330760, 3496140, 3865177, 6992280, 7730354, 11595531, 15460708, 19325885, 23191062, 30921416, 34786593, 38651770, 46382124, 57977655, 69573186, 77303540, 92764248, 115955310, 139146372, 154607080, 173932965, 231910620, 278292744, 347865930, 463821240, 695731860, 1391463720]

約数ペア:

[(1, 1391463720), (2, 695731860), (3, 463821240), (4, 347865930), (5, 278292744), (6, 231910620), (8, 173932965), (9, 154607080), (10, 139146372), (12, 115955310), (15, 92764248), (18, 77303540), (20, 69573186), (24, 57977655), (30, 46382124), (36, 38651770), (40, 34786593), (45, 30921416), (60, 23191062), (72, 19325885), (90, 15460708), (120, 11595531), (180, 7730354), (199, 6992280), (360, 3865177), (398, 3496140), (597, 2330760), (796, 1748070), (995, 1398456), (1194, 1165380), (1592, 874035), (1791, 776920), (1990, 699228), (2388, 582690), (2985, 466152), (3582, 388460), (3980, 349614), (4776, 291345), (5970, 233076), (7164, 194230), (7960, 174807), (8955, 155384), (11940, 116538), (14328, 97115), (17910, 77692), (19423, 71640), (23880, 58269), (35820, 38846)]