681619680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3559}}^1$

素因数の和:3606

約数の個数: 288

約数和(自身を含む): 2799014400

約数和(自身を除く): 2117394720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2520, 2660, 2736, 3040, 3192, 3360, 3420, 3559, 3990, 4256, 4560, 4788, 5040, 5320, 5472, 5985, 6384, 6840, 7118, 7980, 9120, 9576, 10080, 10640, 10677, 11970, 12768, 13680, 14236, 15960, 17795, 19152, 21280, 21354, 23940, 24913, 27360, 28472, 31920, 32031, 35590, 38304, 42708, 47880, 49826, 53385, 56944, 63840, 64062, 67621, 71180, 74739, 85416, 95760, 99652, 106770, 113888, 124565, 128124, 135242, 142360, 149478, 160155, 170832, 191520, 199304, 202863, 213540, 224217, 249130, 256248, 270484, 284720, 298956, 320310, 338105, 341664, 373695, 398608, 405726, 427080, 448434, 473347, 498260, 512496, 540968, 569440, 597912, 608589, 640620, 676210, 747390, 797216, 811452, 854160, 896868, 946694, 996520, 1014315, 1024992, 1081936, 1121085, 1195824, 1217178, 1281240, 1352420, 1420041, 1494780, 1622904, 1708320, 1793736, 1893388, 1993040, 2028630, 2163872, 2242170, 2366735, 2391648, 2434356, 2562480, 2704840, 2840082, 2989560, 3042945, 3245808, 3587472, 3786776, 3986080, 4057260, 4260123, 4484340, 4733470, 4868712, 5124960, 5409680, 5680164, 5979120, 6085890, 6491616, 7100205, 7174944, 7573552, 8114520, 8520246, 8968680, 9466940, 9737424, 10819360, 11360328, 11958240, 12171780, 14200410, 15147104, 16229040, 17040492, 17937360, 18933880, 19474848, 21300615, 22720656, 24343560, 28400820, 32458080, 34080984, 35874720, 37867760, 42601230, 45441312, 48687120, 56801640, 68161968, 75735520, 85202460, 97374240, 113603280, 136323936, 170404920, 227206560, 340809840, 681619680]

約数ペア:

[(1, 681619680), (2, 340809840), (3, 227206560), (4, 170404920), (5, 136323936), (6, 113603280), (7, 97374240), (8, 85202460), (9, 75735520), (10, 68161968), (12, 56801640), (14, 48687120), (15, 45441312), (16, 42601230), (18, 37867760), (19, 35874720), (20, 34080984), (21, 32458080), (24, 28400820), (28, 24343560), (30, 22720656), (32, 21300615), (35, 19474848), (36, 18933880), (38, 17937360), (40, 17040492), (42, 16229040), (45, 15147104), (48, 14200410), (56, 12171780), (57, 11958240), (60, 11360328), (63, 10819360), (70, 9737424), (72, 9466940), (76, 8968680), (80, 8520246), (84, 8114520), (90, 7573552), (95, 7174944), (96, 7100205), (105, 6491616), (112, 6085890), (114, 5979120), (120, 5680164), (126, 5409680), (133, 5124960), (140, 4868712), (144, 4733470), (152, 4484340), (160, 4260123), (168, 4057260), (171, 3986080), (180, 3786776), (190, 3587472), (210, 3245808), (224, 3042945), (228, 2989560), (240, 2840082), (252, 2704840), (266, 2562480), (280, 2434356), (285, 2391648), (288, 2366735), (304, 2242170), (315, 2163872), (336, 2028630), (342, 1993040), (360, 1893388), (380, 1793736), (399, 1708320), (420, 1622904), (456, 1494780), (480, 1420041), (504, 1352420), (532, 1281240), (560, 1217178), (570, 1195824), (608, 1121085), (630, 1081936), (665, 1024992), (672, 1014315), (684, 996520), (720, 946694), (760, 896868), (798, 854160), (840, 811452), (855, 797216), (912, 747390), (1008, 676210), (1064, 640620), (1120, 608589), (1140, 597912), (1197, 569440), (1260, 540968), (1330, 512496), (1368, 498260), (1440, 473347), (1520, 448434), (1596, 427080), (1680, 405726), (1710, 398608), (1824, 373695), (1995, 341664), (2016, 338105), (2128, 320310), (2280, 298956), (2394, 284720), (2520, 270484), (2660, 256248), (2736, 249130), (3040, 224217), (3192, 213540), (3360, 202863), (3420, 199304), (3559, 191520), (3990, 170832), (4256, 160155), (4560, 149478), (4788, 142360), (5040, 135242), (5320, 128124), (5472, 124565), (5985, 113888), (6384, 106770), (6840, 99652), (7118, 95760), (7980, 85416), (9120, 74739), (9576, 71180), (10080, 67621), (10640, 64062), (10677, 63840), (11970, 56944), (12768, 53385), (13680, 49826), (14236, 47880), (15960, 42708), (17795, 38304), (19152, 35590), (21280, 32031), (21354, 31920), (23940, 28472), (24913, 27360)]