1289520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{199}}^1$

素因数の和:224

約数の個数: 100

約数和(自身を含む): 4501200

約数和(自身を除く): 3211680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 199, 216, 240, 270, 324, 360, 398, 405, 432, 540, 597, 648, 720, 796, 810, 995, 1080, 1194, 1296, 1592, 1620, 1791, 1990, 2160, 2388, 2985, 3184, 3240, 3582, 3980, 4776, 5373, 5970, 6480, 7164, 7960, 8955, 9552, 10746, 11940, 14328, 15920, 16119, 17910, 21492, 23880, 26865, 28656, 32238, 35820, 42984, 47760, 53730, 64476, 71640, 80595, 85968, 107460, 128952, 143280, 161190, 214920, 257904, 322380, 429840, 644760, 1289520]

約数ペア:

[(1, 1289520), (2, 644760), (3, 429840), (4, 322380), (5, 257904), (6, 214920), (8, 161190), (9, 143280), (10, 128952), (12, 107460), (15, 85968), (16, 80595), (18, 71640), (20, 64476), (24, 53730), (27, 47760), (30, 42984), (36, 35820), (40, 32238), (45, 28656), (48, 26865), (54, 23880), (60, 21492), (72, 17910), (80, 16119), (81, 15920), (90, 14328), (108, 11940), (120, 10746), (135, 9552), (144, 8955), (162, 7960), (180, 7164), (199, 6480), (216, 5970), (240, 5373), (270, 4776), (324, 3980), (360, 3582), (398, 3240), (405, 3184), (432, 2985), (540, 2388), (597, 2160), (648, 1990), (720, 1791), (796, 1620), (810, 1592), (995, 1296), (1080, 1194)]