16863811840

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 40980989952

約数和(自身を除く): 24117178112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 227, 254, 256, 320, 454, 457, 508, 635, 640, 908, 914, 1016, 1135, 1270, 1280, 1816, 1828, 2032, 2270, 2285, 2540, 3632, 3656, 4064, 4540, 4570, 5080, 7264, 7312, 8128, 9080, 9140, 10160, 14528, 14624, 16256, 18160, 18280, 20320, 28829, 29056, 29248, 32512, 36320, 36560, 40640, 57658, 58039, 58112, 58496, 72640, 73120, 81280, 103739, 115316, 116078, 116992, 144145, 145280, 146240, 162560, 207478, 230632, 232156, 288290, 290195, 290560, 292480, 414956, 461264, 464312, 518695, 576580, 580390, 584960, 829912, 922528, 928624, 1037390, 1153160, 1160780, 1659824, 1845056, 1857248, 2074780, 2306320, 2321560, 3319648, 3690112, 3714496, 4149560, 4612640, 4643120, 6639296, 7380224, 7428992, 8299120, 9225280, 9286240, 13174853, 13278592, 14857984, 16598240, 18450560, 18572480, 26349706, 26557184, 33196480, 36901120, 37144960, 52699412, 65874265, 66392960, 74289920, 105398824, 131748530, 132785920, 210797648, 263497060, 421595296, 526994120, 843190592, 1053988240, 1686381184, 2107976480, 3372762368, 4215952960, 8431905920, 16863811840]

約数ペア:

[(1, 16863811840), (2, 8431905920), (4, 4215952960), (5, 3372762368), (8, 2107976480), (10, 1686381184), (16, 1053988240), (20, 843190592), (32, 526994120), (40, 421595296), (64, 263497060), (80, 210797648), (127, 132785920), (128, 131748530), (160, 105398824), (227, 74289920), (254, 66392960), (256, 65874265), (320, 52699412), (454, 37144960), (457, 36901120), (508, 33196480), (635, 26557184), (640, 26349706), (908, 18572480), (914, 18450560), (1016, 16598240), (1135, 14857984), (1270, 13278592), (1280, 13174853), (1816, 9286240), (1828, 9225280), (2032, 8299120), (2270, 7428992), (2285, 7380224), (2540, 6639296), (3632, 4643120), (3656, 4612640), (4064, 4149560), (4540, 3714496), (4570, 3690112), (5080, 3319648), (7264, 2321560), (7312, 2306320), (8128, 2074780), (9080, 1857248), (9140, 1845056), (10160, 1659824), (14528, 1160780), (14624, 1153160), (16256, 1037390), (18160, 928624), (18280, 922528), (20320, 829912), (28829, 584960), (29056, 580390), (29248, 576580), (32512, 518695), (36320, 464312), (36560, 461264), (40640, 414956), (57658, 292480), (58039, 290560), (58112, 290195), (58496, 288290), (72640, 232156), (73120, 230632), (81280, 207478), (103739, 162560), (115316, 146240), (116078, 145280), (116992, 144145)]