19419976800

素因数分解:

$2^5\times 3^6\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 1008

約数和(自身を含む): 83609148672

約数和(自身を除く): 64189171872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 67, 70, 71, 72, 75, 80, 81, 84, 90, 96, 100, 105, 108, 112, 120, 126, 134, 135, 140, 142, 144, 150, 160, 162, 168, 175, 180, 189, 200, 201, 210, 213, 216, 224, 225, 240, 243, 252, 268, 270, 280, 284, 288, 300, 315, 324, 335, 336, 350, 355, 360, 378, 400, 402, 405, 420, 426, 432, 450, 469, 480, 486, 497, 504, 525, 536, 540, 560, 567, 568, 600, 603, 630, 639, 648, 670, 672, 675, 700, 710, 720, 729, 756, 800, 804, 810, 840, 852, 864, 900, 938, 945, 972, 994, 1005, 1008, 1050, 1065, 1072, 1080, 1120, 1134, 1136, 1200, 1206, 1215, 1260, 1278, 1296, 1340, 1350, 1400, 1407, 1420, 1440, 1458, 1491, 1512, 1575, 1608, 1620, 1675, 1680, 1701, 1704, 1775, 1800, 1809, 1876, 1890, 1917, 1944, 1988, 2010, 2016, 2025, 2100, 2130, 2144, 2160, 2268, 2272, 2345, 2400, 2412, 2430, 2485, 2520, 2556, 2592, 2680, 2700, 2800, 2814, 2835, 2840, 2916, 2982, 3015, 3024, 3150, 3195, 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約数ペア:

[(1, 19419976800), (2, 9709988400), (3, 6473325600), (4, 4854994200), (5, 3883995360), (6, 3236662800), (7, 2774282400), (8, 2427497100), (9, 2157775200), (10, 1941997680), (12, 1618331400), (14, 1387141200), (15, 1294665120), (16, 1213748550), (18, 1078887600), (20, 970998840), (21, 924760800), (24, 809165700), (25, 776799072), (27, 719258400), (28, 693570600), (30, 647332560), (32, 606874275), (35, 554856480), (36, 539443800), (40, 485499420), (42, 462380400), (45, 431555040), (48, 404582850), (50, 388399536), (54, 359629200), (56, 346785300), (60, 323666280), (63, 308253600), (67, 289850400), (70, 277428240), (71, 273520800), (72, 269721900), (75, 258933024), (80, 242749710), (81, 239752800), (84, 231190200), (90, 215777520), (96, 202291425), (100, 194199768), (105, 184952160), (108, 179814600), (112, 173392650), (120, 161833140), (126, 154126800), (134, 144925200), (135, 143851680), (140, 138714120), (142, 136760400), (144, 134860950), (150, 129466512), (160, 121374855), (162, 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