261494016

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 803733504

約数和(自身を除く): 542239488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 127, 128, 168, 192, 224, 254, 256, 336, 381, 383, 384, 448, 508, 672, 762, 766, 768, 889, 896, 1016, 1149, 1344, 1524, 1532, 1778, 1792, 2032, 2298, 2667, 2681, 2688, 3048, 3064, 3556, 4064, 4596, 5334, 5362, 5376, 6096, 6128, 7112, 8043, 8128, 9192, 10668, 10724, 12192, 12256, 14224, 16086, 16256, 18384, 21336, 21448, 24384, 24512, 28448, 32172, 32512, 36768, 42672, 42896, 48641, 48768, 49024, 56896, 64344, 73536, 85344, 85792, 97282, 97536, 98048, 113792, 128688, 145923, 147072, 170688, 171584, 194564, 227584, 257376, 291846, 294144, 340487, 341376, 343168, 389128, 514752, 583692, 680974, 682752, 686336, 778256, 1021461, 1029504, 1167384, 1361948, 1556512, 2042922, 2059008, 2334768, 2723896, 3113024, 4085844, 4669536, 5447792, 6226048, 8171688, 9339072, 10895584, 12452096, 16343376, 18678144, 21791168, 32686752, 37356288, 43582336, 65373504, 87164672, 130747008, 261494016]

約数ペア:

[(1, 261494016), (2, 130747008), (3, 87164672), (4, 65373504), (6, 43582336), (7, 37356288), (8, 32686752), (12, 21791168), (14, 18678144), (16, 16343376), (21, 12452096), (24, 10895584), (28, 9339072), (32, 8171688), (42, 6226048), (48, 5447792), (56, 4669536), (64, 4085844), (84, 3113024), (96, 2723896), (112, 2334768), (127, 2059008), (128, 2042922), (168, 1556512), (192, 1361948), (224, 1167384), (254, 1029504), (256, 1021461), (336, 778256), (381, 686336), (383, 682752), (384, 680974), (448, 583692), (508, 514752), (672, 389128), (762, 343168), (766, 341376), (768, 340487), (889, 294144), (896, 291846), (1016, 257376), (1149, 227584), (1344, 194564), (1524, 171584), (1532, 170688), (1778, 147072), (1792, 145923), (2032, 128688), (2298, 113792), (2667, 98048), (2681, 97536), (2688, 97282), (3048, 85792), (3064, 85344), (3556, 73536), (4064, 64344), (4596, 56896), (5334, 49024), (5362, 48768), (5376, 48641), (6096, 42896), (6128, 42672), (7112, 36768), (8043, 32512), (8128, 32172), (9192, 28448), (10668, 24512), (10724, 24384), (12192, 21448), (12256, 21336), (14224, 18384), (16086, 16256)]