255087840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 288

約数和(自身を含む): 960906240

約数和(自身を除く): 705818400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 79, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 158, 160, 168, 186, 210, 217, 224, 237, 240, 248, 280, 310, 316, 336, 372, 395, 420, 434, 465, 474, 480, 496, 553, 560, 620, 632, 651, 672, 744, 790, 840, 868, 930, 948, 961, 992, 1085, 1106, 1120, 1185, 1240, 1264, 1302, 1488, 1580, 1659, 1680, 1736, 1860, 1896, 1922, 2170, 2212, 2370, 2449, 2480, 2528, 2604, 2765, 2883, 2976, 3160, 3255, 3318, 3360, 3472, 3720, 3792, 3844, 4340, 4424, 4740, 4805, 4898, 4960, 5208, 5530, 5766, 6320, 6510, 6636, 6727, 6944, 7347, 7440, 7584, 7688, 8295, 8680, 8848, 9480, 9610, 9796, 10416, 11060, 11532, 12245, 12640, 13020, 13272, 13454, 14415, 14694, 14880, 15376, 16590, 17143, 17360, 17696, 18960, 19220, 19592, 20181, 20832, 22120, 23064, 24490, 26040, 26544, 26908, 28830, 29388, 30752, 33180, 33635, 34286, 34720, 36735, 37920, 38440, 39184, 40362, 44240, 46128, 48980, 51429, 52080, 53088, 53816, 57660, 58776, 66360, 67270, 68572, 73470, 75919, 76880, 78368, 80724, 85715, 88480, 92256, 97960, 100905, 102858, 104160, 107632, 115320, 117552, 132720, 134540, 137144, 146940, 151838, 153760, 161448, 171430, 195920, 201810, 205716, 215264, 227757, 230640, 235104, 257145, 265440, 269080, 274288, 293880, 303676, 322896, 342860, 379595, 391840, 403620, 411432, 455514, 461280, 514290, 531433, 538160, 548576, 587760, 607352, 645792, 685720, 759190, 807240, 822864, 911028, 1028580, 1062866, 1076320, 1138785, 1175520, 1214704, 1371440, 1518380, 1594299, 1614480, 1645728, 1822056, 2057160, 2125732, 2277570, 2429408, 2657165, 2742880, 3036760, 3188598, 3228960, 3644112, 4114320, 4251464, 4555140, 5314330, 6073520, 6377196, 7288224, 7971495, 8228640, 8502928, 9110280, 10628660, 12147040, 12754392, 15942990, 17005856, 18220560, 21257320, 25508784, 31885980, 36441120, 42514640, 51017568, 63771960, 85029280, 127543920, 255087840]

約数ペア:

[(1, 255087840), (2, 127543920), (3, 85029280), (4, 63771960), (5, 51017568), (6, 42514640), (7, 36441120), (8, 31885980), (10, 25508784), (12, 21257320), (14, 18220560), (15, 17005856), (16, 15942990), (20, 12754392), (21, 12147040), (24, 10628660), (28, 9110280), (30, 8502928), (31, 8228640), (32, 7971495), (35, 7288224), (40, 6377196), (42, 6073520), (48, 5314330), (56, 4555140), (60, 4251464), (62, 4114320), (70, 3644112), (79, 3228960), (80, 3188598), (84, 3036760), (93, 2742880), (96, 2657165), (105, 2429408), (112, 2277570), (120, 2125732), (124, 2057160), (140, 1822056), (155, 1645728), (158, 1614480), (160, 1594299), (168, 1518380), (186, 1371440), (210, 1214704), (217, 1175520), (224, 1138785), (237, 1076320), (240, 1062866), (248, 1028580), (280, 911028), (310, 822864), (316, 807240), (336, 759190), (372, 685720), (395, 645792), (420, 607352), (434, 587760), (465, 548576), (474, 538160), (480, 531433), (496, 514290), (553, 461280), (560, 455514), (620, 411432), (632, 403620), (651, 391840), (672, 379595), (744, 342860), (790, 322896), (840, 303676), (868, 293880), (930, 274288), (948, 269080), (961, 265440), (992, 257145), (1085, 235104), (1106, 230640), (1120, 227757), (1185, 215264), (1240, 205716), (1264, 201810), (1302, 195920), (1488, 171430), (1580, 161448), (1659, 153760), (1680, 151838), (1736, 146940), (1860, 137144), (1896, 134540), (1922, 132720), (2170, 117552), (2212, 115320), (2370, 107632), (2449, 104160), (2480, 102858), (2528, 100905), (2604, 97960), (2765, 92256), (2883, 88480), (2976, 85715), (3160, 80724), (3255, 78368), (3318, 76880), (3360, 75919), (3472, 73470), (3720, 68572), (3792, 67270), (3844, 66360), (4340, 58776), (4424, 57660), (4740, 53816), (4805, 53088), (4898, 52080), (4960, 51429), (5208, 48980), (5530, 46128), (5766, 44240), (6320, 40362), (6510, 39184), (6636, 38440), (6727, 37920), (6944, 36735), (7347, 34720), (7440, 34286), (7584, 33635), (7688, 33180), (8295, 30752), (8680, 29388), (8848, 28830), (9480, 26908), (9610, 26544), (9796, 26040), (10416, 24490), (11060, 23064), (11532, 22120), (12245, 20832), (12640, 20181), (13020, 19592), (13272, 19220), (13454, 18960), (14415, 17696), (14694, 17360), (14880, 17143), (15376, 16590)]