18423720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2437}}^1$

素因数の和:2464

約数の個数: 128

約数和(自身を含む): 70214400

約数和(自身を除く): 51790680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2437, 2520, 3780, 4874, 7311, 7560, 9748, 12185, 14622, 17059, 19496, 21933, 24370, 29244, 34118, 36555, 43866, 48740, 51177, 58488, 65799, 68236, 73110, 85295, 87732, 97480, 102354, 109665, 131598, 136472, 146220, 153531, 170590, 175464, 204708, 219330, 255885, 263196, 292440, 307062, 328995, 341180, 409416, 438660, 460593, 511770, 526392, 614124, 657990, 682360, 767655, 877320, 921186, 1023540, 1228248, 1315980, 1535310, 1842372, 2047080, 2302965, 2631960, 3070620, 3684744, 4605930, 6141240, 9211860, 18423720]

約数ペア:

[(1, 18423720), (2, 9211860), (3, 6141240), (4, 4605930), (5, 3684744), (6, 3070620), (7, 2631960), (8, 2302965), (9, 2047080), (10, 1842372), (12, 1535310), (14, 1315980), (15, 1228248), (18, 1023540), (20, 921186), (21, 877320), (24, 767655), (27, 682360), (28, 657990), (30, 614124), (35, 526392), (36, 511770), (40, 460593), (42, 438660), (45, 409416), (54, 341180), (56, 328995), (60, 307062), (63, 292440), (70, 263196), (72, 255885), (84, 219330), (90, 204708), (105, 175464), (108, 170590), (120, 153531), (126, 146220), (135, 136472), (140, 131598), (168, 109665), (180, 102354), (189, 97480), (210, 87732), (216, 85295), (252, 73110), (270, 68236), (280, 65799), (315, 58488), (360, 51177), (378, 48740), (420, 43866), (504, 36555), (540, 34118), (630, 29244), (756, 24370), (840, 21933), (945, 19496), (1080, 17059), (1260, 14622), (1512, 12185), (1890, 9748), (2437, 7560), (2520, 7311), (3780, 4874)]