128971080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:924

約数の個数: 192

約数和(自身を含む): 487468800

約数和(自身を除く): 358497720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 61, 63, 70, 72, 84, 90, 105, 120, 122, 126, 140, 168, 180, 183, 210, 244, 252, 280, 305, 315, 360, 366, 420, 427, 488, 504, 549, 610, 630, 732, 839, 840, 854, 915, 1098, 1220, 1260, 1281, 1464, 1678, 1708, 1830, 2135, 2196, 2440, 2517, 2520, 2562, 2745, 3356, 3416, 3660, 3843, 4195, 4270, 4392, 5034, 5124, 5490, 5873, 6405, 6712, 7320, 7551, 7686, 8390, 8540, 10068, 10248, 10980, 11746, 12585, 12810, 15102, 15372, 16780, 17080, 17619, 19215, 20136, 21960, 23492, 25170, 25620, 29365, 30204, 30744, 33560, 35238, 37755, 38430, 46984, 50340, 51179, 51240, 52857, 58730, 60408, 70476, 75510, 76860, 88095, 100680, 102358, 105714, 117460, 140952, 151020, 153537, 153720, 176190, 204716, 211428, 234920, 255895, 264285, 302040, 307074, 352380, 358253, 409432, 422856, 460611, 511790, 528570, 614148, 704760, 716506, 767685, 921222, 1023580, 1057140, 1074759, 1228296, 1433012, 1535370, 1791265, 1842444, 2047160, 2114280, 2149518, 2303055, 2866024, 3070740, 3224277, 3582530, 3684888, 4299036, 4606110, 5373795, 6141480, 6448554, 7165060, 8598072, 9212220, 10747590, 12897108, 14330120, 16121385, 18424440, 21495180, 25794216, 32242770, 42990360, 64485540, 128971080]

約数ペア:

[(1, 128971080), (2, 64485540), (3, 42990360), (4, 32242770), (5, 25794216), (6, 21495180), (7, 18424440), (8, 16121385), (9, 14330120), (10, 12897108), (12, 10747590), (14, 9212220), (15, 8598072), (18, 7165060), (20, 6448554), (21, 6141480), (24, 5373795), (28, 4606110), (30, 4299036), (35, 3684888), (36, 3582530), (40, 3224277), (42, 3070740), (45, 2866024), (56, 2303055), (60, 2149518), (61, 2114280), (63, 2047160), (70, 1842444), (72, 1791265), (84, 1535370), (90, 1433012), (105, 1228296), (120, 1074759), (122, 1057140), (126, 1023580), (140, 921222), (168, 767685), (180, 716506), (183, 704760), (210, 614148), (244, 528570), (252, 511790), (280, 460611), (305, 422856), (315, 409432), (360, 358253), (366, 352380), (420, 307074), (427, 302040), (488, 264285), (504, 255895), (549, 234920), (610, 211428), (630, 204716), (732, 176190), (839, 153720), (840, 153537), (854, 151020), (915, 140952), (1098, 117460), (1220, 105714), (1260, 102358), (1281, 100680), (1464, 88095), (1678, 76860), (1708, 75510), (1830, 70476), (2135, 60408), (2196, 58730), (2440, 52857), (2517, 51240), (2520, 51179), (2562, 50340), (2745, 46984), (3356, 38430), (3416, 37755), (3660, 35238), (3843, 33560), (4195, 30744), (4270, 30204), (4392, 29365), (5034, 25620), (5124, 25170), (5490, 23492), (5873, 21960), (6405, 20136), (6712, 19215), (7320, 17619), (7551, 17080), (7686, 16780), (8390, 15372), (8540, 15102), (10068, 12810), (10248, 12585), (10980, 11746)]