161907200

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 240

約数和(自身を含む): 497259840

約数和(自身を除く): 335352640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 128, 130, 139, 140, 160, 175, 182, 200, 208, 224, 256, 260, 278, 280, 320, 325, 350, 364, 400, 416, 448, 455, 512, 520, 556, 560, 640, 650, 695, 700, 728, 800, 832, 896, 910, 973, 1040, 1112, 1120, 1280, 1300, 1390, 1400, 1456, 1600, 1664, 1792, 1807, 1820, 1946, 2080, 2224, 2240, 2275, 2560, 2600, 2780, 2800, 2912, 3200, 3328, 3475, 3584, 3614, 3640, 3892, 4160, 4448, 4480, 4550, 4865, 5200, 5560, 5600, 5824, 6400, 6656, 6950, 7228, 7280, 7784, 8320, 8896, 8960, 9035, 9100, 9730, 10400, 11120, 11200, 11648, 12649, 12800, 13900, 14456, 14560, 15568, 16640, 17792, 17920, 18070, 18200, 19460, 20800, 22240, 22400, 23296, 24325, 25298, 27800, 28912, 29120, 31136, 33280, 35584, 36140, 36400, 38920, 41600, 44480, 44800, 45175, 46592, 48650, 50596, 55600, 57824, 58240, 62272, 63245, 71168, 72280, 72800, 77840, 83200, 88960, 89600, 90350, 97300, 101192, 111200, 115648, 116480, 124544, 126490, 144560, 145600, 155680, 166400, 177920, 180700, 194600, 202384, 222400, 231296, 232960, 249088, 252980, 289120, 291200, 311360, 316225, 355840, 361400, 389200, 404768, 444800, 462592, 498176, 505960, 578240, 582400, 622720, 632450, 722800, 778400, 809536, 889600, 925184, 1011920, 1156480, 1164800, 1245440, 1264900, 1445600, 1556800, 1619072, 1779200, 2023840, 2312960, 2490880, 2529800, 2891200, 3113600, 3238144, 4047680, 4625920, 5059600, 5782400, 6227200, 6476288, 8095360, 10119200, 11564800, 12454400, 16190720, 20238400, 23129600, 32381440, 40476800, 80953600, 161907200]

約数ペア:

[(1, 161907200), (2, 80953600), (4, 40476800), (5, 32381440), (7, 23129600), (8, 20238400), (10, 16190720), (13, 12454400), (14, 11564800), (16, 10119200), (20, 8095360), (25, 6476288), (26, 6227200), (28, 5782400), (32, 5059600), (35, 4625920), (40, 4047680), (50, 3238144), (52, 3113600), (56, 2891200), (64, 2529800), (65, 2490880), (70, 2312960), (80, 2023840), (91, 1779200), (100, 1619072), (104, 1556800), (112, 1445600), (128, 1264900), (130, 1245440), (139, 1164800), (140, 1156480), (160, 1011920), (175, 925184), (182, 889600), (200, 809536), (208, 778400), (224, 722800), (256, 632450), (260, 622720), (278, 582400), (280, 578240), (320, 505960), (325, 498176), (350, 462592), (364, 444800), (400, 404768), (416, 389200), (448, 361400), (455, 355840), (512, 316225), (520, 311360), (556, 291200), (560, 289120), (640, 252980), (650, 249088), (695, 232960), (700, 231296), (728, 222400), (800, 202384), (832, 194600), (896, 180700), (910, 177920), (973, 166400), (1040, 155680), (1112, 145600), (1120, 144560), (1280, 126490), (1300, 124544), (1390, 116480), (1400, 115648), (1456, 111200), (1600, 101192), (1664, 97300), (1792, 90350), (1807, 89600), (1820, 88960), (1946, 83200), (2080, 77840), (2224, 72800), (2240, 72280), (2275, 71168), (2560, 63245), (2600, 62272), (2780, 58240), (2800, 57824), (2912, 55600), (3200, 50596), (3328, 48650), (3475, 46592), (3584, 45175), (3614, 44800), (3640, 44480), (3892, 41600), (4160, 38920), (4448, 36400), (4480, 36140), (4550, 35584), (4865, 33280), (5200, 31136), (5560, 29120), (5600, 28912), (5824, 27800), (6400, 25298), (6656, 24325), (6950, 23296), (7228, 22400), (7280, 22240), (7784, 20800), (8320, 19460), (8896, 18200), (8960, 18070), (9035, 17920), (9100, 17792), (9730, 16640), (10400, 15568), (11120, 14560), (11200, 14456), (11648, 13900), (12649, 12800)]