21552480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1663}}^1$

素因数の和:1690

約数の個数: 120

約数和(自身を含む): 76108032

約数和(自身を除く): 54555552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 1663, 2160, 2592, 3240, 3326, 4320, 4989, 6480, 6652, 8315, 9978, 12960, 13304, 14967, 16630, 19956, 24945, 26608, 29934, 33260, 39912, 44901, 49890, 53216, 59868, 66520, 74835, 79824, 89802, 99780, 119736, 133040, 134703, 149670, 159648, 179604, 199560, 224505, 239472, 266080, 269406, 299340, 359208, 399120, 449010, 478944, 538812, 598680, 673515, 718416, 798240, 898020, 1077624, 1197360, 1347030, 1436832, 1796040, 2155248, 2394720, 2694060, 3592080, 4310496, 5388120, 7184160, 10776240, 21552480]

約数ペア:

[(1, 21552480), (2, 10776240), (3, 7184160), (4, 5388120), (5, 4310496), (6, 3592080), (8, 2694060), (9, 2394720), (10, 2155248), (12, 1796040), (15, 1436832), (16, 1347030), (18, 1197360), (20, 1077624), (24, 898020), (27, 798240), (30, 718416), (32, 673515), (36, 598680), (40, 538812), (45, 478944), (48, 449010), (54, 399120), (60, 359208), (72, 299340), (80, 269406), (81, 266080), (90, 239472), (96, 224505), (108, 199560), (120, 179604), (135, 159648), (144, 149670), (160, 134703), (162, 133040), (180, 119736), (216, 99780), (240, 89802), (270, 79824), (288, 74835), (324, 66520), (360, 59868), (405, 53216), (432, 49890), (480, 44901), (540, 39912), (648, 33260), (720, 29934), (810, 26608), (864, 24945), (1080, 19956), (1296, 16630), (1440, 14967), (1620, 13304), (1663, 12960), (2160, 9978), (2592, 8315), (3240, 6652), (3326, 6480), (4320, 4989)]