260975520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1589

約数の個数: 240

約数和(自身を含む): 992514600

約数和(自身を除く): 731539080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1549, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3098, 3120, 3240, 3510, 3744, 4212, 4320, 4647, 4680, 5265, 5616, 6196, 6240, 6480, 7020, 7745, 8424, 9294, 9360, 10530, 11232, 12392, 12960, 13941, 14040, 15490, 16848, 18588, 18720, 20137, 21060, 23235, 24784, 27882, 28080, 30980, 33696, 37176, 40274, 41823, 42120, 46470, 49568, 55764, 56160, 60411, 61960, 69705, 74352, 80548, 83646, 84240, 92940, 100685, 111528, 120822, 123920, 125469, 139410, 148704, 161096, 167292, 168480, 181233, 185880, 201370, 209115, 223056, 241644, 247840, 250938, 278820, 302055, 322192, 334584, 362466, 371760, 402740, 418230, 446112, 483288, 501876, 543699, 557640, 604110, 627345, 644384, 669168, 724932, 743520, 805480, 836460, 906165, 966576, 1003752, 1087398, 1115280, 1208220, 1254690, 1338336, 1449864, 1610960, 1631097, 1672920, 1812330, 1933152, 2007504, 2174796, 2230560, 2416440, 2509380, 2718495, 2899728, 3221920, 3262194, 3345840, 3624660, 4015008, 4349592, 4832880, 5018760, 5436990, 5799456, 6524388, 6691680, 7249320, 8155485, 8699184, 9665760, 10037520, 10873980, 13048776, 14498640, 16310970, 17398368, 20075040, 21747960, 26097552, 28997280, 32621940, 43495920, 52195104, 65243880, 86991840, 130487760, 260975520]

約数ペア:

[(1, 260975520), (2, 130487760), (3, 86991840), (4, 65243880), (5, 52195104), (6, 43495920), (8, 32621940), (9, 28997280), (10, 26097552), (12, 21747960), (13, 20075040), (15, 17398368), (16, 16310970), (18, 14498640), (20, 13048776), (24, 10873980), (26, 10037520), (27, 9665760), (30, 8699184), (32, 8155485), (36, 7249320), (39, 6691680), (40, 6524388), (45, 5799456), (48, 5436990), (52, 5018760), (54, 4832880), (60, 4349592), (65, 4015008), (72, 3624660), (78, 3345840), (80, 3262194), (81, 3221920), (90, 2899728), (96, 2718495), (104, 2509380), (108, 2416440), (117, 2230560), (120, 2174796), (130, 2007504), (135, 1933152), (144, 1812330), (156, 1672920), (160, 1631097), (162, 1610960), (180, 1449864), (195, 1338336), (208, 1254690), (216, 1208220), (234, 1115280), (240, 1087398), (260, 1003752), (270, 966576), (288, 906165), (312, 836460), (324, 805480), (351, 743520), (360, 724932), (390, 669168), (405, 644384), (416, 627345), (432, 604110), (468, 557640), (480, 543699), (520, 501876), (540, 483288), (585, 446112), (624, 418230), (648, 402740), (702, 371760), (720, 362466), (780, 334584), (810, 322192), (864, 302055), (936, 278820), (1040, 250938), (1053, 247840), (1080, 241644), (1170, 223056), (1248, 209115), (1296, 201370), (1404, 185880), (1440, 181233), (1549, 168480), (1560, 167292), (1620, 161096), (1755, 148704), (1872, 139410), (2080, 125469), (2106, 123920), (2160, 120822), (2340, 111528), (2592, 100685), (2808, 92940), (3098, 84240), (3120, 83646), (3240, 80548), (3510, 74352), (3744, 69705), (4212, 61960), (4320, 60411), (4647, 56160), (4680, 55764), (5265, 49568), (5616, 46470), (6196, 42120), (6240, 41823), (6480, 40274), (7020, 37176), (7745, 33696), (8424, 30980), (9294, 28080), (9360, 27882), (10530, 24784), (11232, 23235), (12392, 21060), (12960, 20137), (13941, 18720), (14040, 18588), (15490, 16848)]