261496620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 384

約数和(自身を含む): 1070899200

約数和(自身を除く): 809402580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 27, 28, 30, 33, 35, 36, 38, 42, 44, 45, 54, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 108, 110, 114, 126, 132, 133, 135, 140, 154, 165, 171, 180, 189, 190, 198, 209, 210, 220, 228, 231, 252, 266, 270, 285, 297, 308, 315, 330, 331, 342, 378, 380, 385, 396, 399, 418, 420, 462, 495, 513, 532, 540, 570, 594, 627, 630, 660, 662, 665, 684, 693, 756, 770, 798, 836, 855, 924, 945, 990, 993, 1026, 1045, 1140, 1155, 1188, 1197, 1254, 1260, 1324, 1330, 1386, 1463, 1485, 1540, 1596, 1655, 1710, 1881, 1890, 1980, 1986, 1995, 2052, 2079, 2090, 2310, 2317, 2394, 2508, 2565, 2660, 2772, 2926, 2970, 2979, 3135, 3310, 3420, 3465, 3591, 3641, 3762, 3780, 3972, 3990, 4158, 4180, 4389, 4620, 4634, 4788, 4965, 5130, 5643, 5852, 5940, 5958, 5985, 6270, 6289, 6620, 6930, 6951, 7182, 7282, 7315, 7524, 7980, 8316, 8778, 8937, 9268, 9405, 9930, 10260, 10395, 10923, 11286, 11585, 11916, 11970, 12540, 12578, 13167, 13860, 13902, 14364, 14564, 14630, 14895, 17556, 17874, 17955, 18205, 18810, 18867, 19860, 20790, 20853, 21846, 21945, 22572, 23170, 23940, 25156, 25487, 26334, 27804, 28215, 29260, 29790, 31445, 32769, 34755, 35748, 35910, 36410, 37620, 37734, 39501, 41580, 41706, 43692, 43890, 44023, 44685, 46340, 50974, 52668, 54615, 56430, 56601, 59580, 62559, 62890, 65538, 65835, 69179, 69510, 71820, 72820, 75468, 76461, 79002, 83412, 87780, 88046, 89370, 94335, 98307, 101948, 104265, 109230, 112860, 113202, 125118, 125780, 127435, 131076, 131670, 132069, 138358, 139020, 152922, 158004, 163845, 169803, 176092, 178740, 188670, 196614, 197505, 207537, 208530, 218460, 220115, 226404, 229383, 250236, 254870, 263340, 264138, 276716, 283005, 305844, 312795, 327690, 339606, 345895, 377340, 382305, 393228, 395010, 396207, 415074, 417060, 440230, 458766, 484253, 491535, 509740, 528276, 566010, 622611, 625590, 655380, 660345, 679212, 688149, 691790, 764610, 790020, 792414, 830148, 849015, 880460, 917532, 968506, 983070, 1037685, 1132020, 1146915, 1188621, 1245222, 1251180, 1320690, 1376298, 1383580, 1452759, 1529220, 1584828, 1698030, 1867833, 1937012, 1966140, 1981035, 2075370, 2293830, 2377242, 2421265, 2490444, 2641380, 2752596, 2905518, 3113055, 3396060, 3440745, 3735666, 3962070, 4150740, 4358277, 4587660, 4754484, 4842530, 5811036, 5943105, 6226110, 6881490, 7263795, 7471332, 7924140, 8716554, 9339165, 9685060, 11886210, 12452220, 13074831, 13762980, 14527590, 17433108, 18678330, 21791385, 23772420, 26149662, 29055180, 37356660, 43582770, 52299324, 65374155, 87165540, 130748310, 261496620]

約数ペア:

[(1, 261496620), (2, 130748310), (3, 87165540), (4, 65374155), (5, 52299324), (6, 43582770), (7, 37356660), (9, 29055180), (10, 26149662), (11, 23772420), (12, 21791385), (14, 18678330), (15, 17433108), (18, 14527590), (19, 13762980), (20, 13074831), (21, 12452220), (22, 11886210), (27, 9685060), (28, 9339165), (30, 8716554), (33, 7924140), (35, 7471332), (36, 7263795), (38, 6881490), (42, 6226110), (44, 5943105), (45, 5811036), (54, 4842530), (55, 4754484), (57, 4587660), (60, 4358277), (63, 4150740), (66, 3962070), (70, 3735666), (76, 3440745), (77, 3396060), (84, 3113055), (90, 2905518), (95, 2752596), (99, 2641380), (105, 2490444), (108, 2421265), (110, 2377242), (114, 2293830), (126, 2075370), (132, 1981035), (133, 1966140), (135, 1937012), (140, 1867833), (154, 1698030), (165, 1584828), (171, 1529220), (180, 1452759), (189, 1383580), (190, 1376298), (198, 1320690), (209, 1251180), (210, 1245222), (220, 1188621), (228, 1146915), (231, 1132020), (252, 1037685), (266, 983070), (270, 968506), (285, 917532), (297, 880460), (308, 849015), (315, 830148), (330, 792414), (331, 790020), (342, 764610), (378, 691790), (380, 688149), (385, 679212), (396, 660345), (399, 655380), (418, 625590), (420, 622611), (462, 566010), (495, 528276), (513, 509740), (532, 491535), (540, 484253), (570, 458766), (594, 440230), (627, 417060), (630, 415074), (660, 396207), (662, 395010), (665, 393228), (684, 382305), (693, 377340), (756, 345895), (770, 339606), (798, 327690), (836, 312795), (855, 305844), (924, 283005), (945, 276716), (990, 264138), (993, 263340), (1026, 254870), (1045, 250236), (1140, 229383), (1155, 226404), (1188, 220115), (1197, 218460), (1254, 208530), (1260, 207537), (1324, 197505), (1330, 196614), (1386, 188670), (1463, 178740), (1485, 176092), (1540, 169803), (1596, 163845), (1655, 158004), (1710, 152922), (1881, 139020), (1890, 138358), (1980, 132069), (1986, 131670), (1995, 131076), (2052, 127435), (2079, 125780), (2090, 125118), (2310, 113202), (2317, 112860), (2394, 109230), (2508, 104265), (2565, 101948), (2660, 98307), (2772, 94335), (2926, 89370), (2970, 88046), (2979, 87780), (3135, 83412), (3310, 79002), (3420, 76461), (3465, 75468), (3591, 72820), (3641, 71820), (3762, 69510), (3780, 69179), (3972, 65835), (3990, 65538), (4158, 62890), (4180, 62559), (4389, 59580), (4620, 56601), (4634, 56430), (4788, 54615), (4965, 52668), (5130, 50974), (5643, 46340), (5852, 44685), (5940, 44023), (5958, 43890), (5985, 43692), (6270, 41706), (6289, 41580), (6620, 39501), (6930, 37734), (6951, 37620), (7182, 36410), (7282, 35910), (7315, 35748), (7524, 34755), (7980, 32769), (8316, 31445), (8778, 29790), (8937, 29260), (9268, 28215), (9405, 27804), (9930, 26334), (10260, 25487), (10395, 25156), (10923, 23940), (11286, 23170), (11585, 22572), (11916, 21945), (11970, 21846), (12540, 20853), (12578, 20790), (13167, 19860), (13860, 18867), (13902, 18810), (14364, 18205), (14564, 17955), (14630, 17874), (14895, 17556)]