2638550880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{261761}}^1$

素因数の和:261789

約数の個数: 144

約数和(自身を含む): 10290387744

約数和(自身を除く): 7651836864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 261761, 523522, 785283, 1047044, 1308805, 1570566, 1832327, 2094088, 2355849, 2617610, 3141132, 3664654, 3926415, 4188176, 4711698, 5235220, 5496981, 6282264, 7329308, 7852830, 8376352, 9161635, 9423396, 10470440, 10993962, 11779245, 12564528, 14658616, 15705660, 16490943, 18323270, 18846792, 20940880, 21987924, 23558490, 25129056, 27484905, 29317232, 31411320, 32981886, 36646540, 37693584, 41881760, 43975848, 47116980, 54969810, 58634464, 62822640, 65963772, 73293080, 75387168, 82454715, 87951696, 94233960, 109939620, 125645280, 131927544, 146586160, 164909430, 175903392, 188467920, 219879240, 263855088, 293172320, 329818860, 376935840, 439758480, 527710176, 659637720, 879516960, 1319275440, 2638550880]

約数ペア:

[(1, 2638550880), (2, 1319275440), (3, 879516960), (4, 659637720), (5, 527710176), (6, 439758480), (7, 376935840), (8, 329818860), (9, 293172320), (10, 263855088), (12, 219879240), (14, 188467920), (15, 175903392), (16, 164909430), (18, 146586160), (20, 131927544), (21, 125645280), (24, 109939620), (28, 94233960), (30, 87951696), (32, 82454715), (35, 75387168), (36, 73293080), (40, 65963772), (42, 62822640), (45, 58634464), (48, 54969810), (56, 47116980), (60, 43975848), (63, 41881760), (70, 37693584), (72, 36646540), (80, 32981886), (84, 31411320), (90, 29317232), (96, 27484905), (105, 25129056), (112, 23558490), (120, 21987924), (126, 20940880), (140, 18846792), (144, 18323270), (160, 16490943), (168, 15705660), (180, 14658616), (210, 12564528), (224, 11779245), (240, 10993962), (252, 10470440), (280, 9423396), (288, 9161635), (315, 8376352), (336, 7852830), (360, 7329308), (420, 6282264), (480, 5496981), (504, 5235220), (560, 4711698), (630, 4188176), (672, 3926415), (720, 3664654), (840, 3141132), (1008, 2617610), (1120, 2355849), (1260, 2094088), (1440, 1832327), (1680, 1570566), (2016, 1308805), (2520, 1047044), (3360, 785283), (5040, 523522), (10080, 261761)]