2155915440

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{5281}}^1$

素因数の和:5319

約数の個数: 280

約数和(自身を含む): 8590560288

約数和(自身を除く): 6434644848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1458, 1512, 1620, 1680, 1701, 1890, 1944, 2160, 2268, 2430, 2520, 2835, 2916, 3024, 3240, 3402, 3645, 3780, 3888, 4536, 4860, 5040, 5103, 5281, 5670, 5832, 6480, 6804, 7290, 7560, 8505, 9072, 9720, 10206, 10562, 11340, 11664, 13608, 14580, 15120, 15843, 17010, 19440, 20412, 21124, 22680, 25515, 26405, 27216, 29160, 31686, 34020, 36967, 40824, 42248, 45360, 47529, 51030, 52810, 58320, 63372, 68040, 73934, 79215, 81648, 84496, 95058, 102060, 105620, 110901, 126744, 136080, 142587, 147868, 158430, 184835, 190116, 204120, 211240, 221802, 237645, 253488, 285174, 295736, 316860, 332703, 369670, 380232, 408240, 422480, 427761, 443604, 475290, 554505, 570348, 591472, 633720, 665406, 712935, 739340, 760464, 855522, 887208, 950580, 998109, 1109010, 1140696, 1267440, 1283283, 1330812, 1425870, 1478680, 1663515, 1711044, 1774416, 1901160, 1996218, 2138805, 2218020, 2281392, 2566566, 2661624, 2851740, 2957360, 2994327, 3327030, 3422088, 3802320, 3849849, 3992436, 4277610, 4436040, 4990545, 5133132, 5323248, 5703480, 5988654, 6416415, 6654060, 6844176, 7699698, 7984872, 8555220, 8872080, 8982981, 9981090, 10266264, 11406960, 11977308, 12832830, 13308120, 14971635, 15399396, 15969744, 17110440, 17965962, 19249245, 19962180, 20532528, 23954616, 25665660, 26616240, 26948943, 29943270, 30798792, 34220880, 35931924, 38498490, 39924360, 44914905, 47909232, 51331320, 53897886, 59886540, 61597584, 71863848, 76996980, 79848720, 89829810, 102662640, 107795772, 119773080, 134744715, 143727696, 153993960, 179659620, 215591544, 239546160, 269489430, 307987920, 359319240, 431183088, 538978860, 718638480, 1077957720, 2155915440]

約数ペア:

[(1, 2155915440), (2, 1077957720), (3, 718638480), (4, 538978860), (5, 431183088), (6, 359319240), (7, 307987920), (8, 269489430), (9, 239546160), (10, 215591544), (12, 179659620), (14, 153993960), (15, 143727696), (16, 134744715), (18, 119773080), (20, 107795772), (21, 102662640), (24, 89829810), (27, 79848720), (28, 76996980), (30, 71863848), (35, 61597584), (36, 59886540), (40, 53897886), (42, 51331320), (45, 47909232), (48, 44914905), (54, 39924360), (56, 38498490), (60, 35931924), (63, 34220880), (70, 30798792), (72, 29943270), (80, 26948943), (81, 26616240), (84, 25665660), (90, 23954616), (105, 20532528), (108, 19962180), (112, 19249245), (120, 17965962), (126, 17110440), (135, 15969744), (140, 15399396), (144, 14971635), (162, 13308120), (168, 12832830), (180, 11977308), (189, 11406960), (210, 10266264), (216, 9981090), (240, 8982981), (243, 8872080), (252, 8555220), (270, 7984872), (280, 7699698), (315, 6844176), (324, 6654060), (336, 6416415), (360, 5988654), (378, 5703480), (405, 5323248), (420, 5133132), (432, 4990545), (486, 4436040), (504, 4277610), (540, 3992436), (560, 3849849), (567, 3802320), (630, 3422088), (648, 3327030), (720, 2994327), (729, 2957360), (756, 2851740), (810, 2661624), (840, 2566566), (945, 2281392), (972, 2218020), (1008, 2138805), (1080, 1996218), (1134, 1901160), (1215, 1774416), (1260, 1711044), (1296, 1663515), (1458, 1478680), (1512, 1425870), (1620, 1330812), (1680, 1283283), (1701, 1267440), (1890, 1140696), (1944, 1109010), (2160, 998109), (2268, 950580), (2430, 887208), (2520, 855522), (2835, 760464), (2916, 739340), (3024, 712935), (3240, 665406), (3402, 633720), (3645, 591472), (3780, 570348), (3888, 554505), (4536, 475290), (4860, 443604), (5040, 427761), (5103, 422480), (5281, 408240), (5670, 380232), (5832, 369670), (6480, 332703), (6804, 316860), (7290, 295736), (7560, 285174), (8505, 253488), (9072, 237645), (9720, 221802), (10206, 211240), (10562, 204120), (11340, 190116), (11664, 184835), (13608, 158430), (14580, 147868), (15120, 142587), (15843, 136080), (17010, 126744), (19440, 110901), (20412, 105620), (21124, 102060), (22680, 95058), (25515, 84496), (26405, 81648), (27216, 79215), (29160, 73934), (31686, 68040), (34020, 63372), (36967, 58320), (40824, 52810), (42248, 51030), (45360, 47529)]