16190720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 48074880

約数和(自身を除く): 31884160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 139, 140, 160, 182, 208, 224, 256, 260, 278, 280, 320, 364, 416, 448, 455, 520, 556, 560, 640, 695, 728, 832, 896, 910, 973, 1040, 1112, 1120, 1280, 1390, 1456, 1664, 1792, 1807, 1820, 1946, 2080, 2224, 2240, 2780, 2912, 3328, 3614, 3640, 3892, 4160, 4448, 4480, 4865, 5560, 5824, 7228, 7280, 7784, 8320, 8896, 8960, 9035, 9730, 11120, 11648, 12649, 14456, 14560, 15568, 16640, 17792, 18070, 19460, 22240, 23296, 25298, 28912, 29120, 31136, 35584, 36140, 38920, 44480, 50596, 57824, 58240, 62272, 63245, 72280, 77840, 88960, 101192, 115648, 116480, 124544, 126490, 144560, 155680, 177920, 202384, 231296, 249088, 252980, 289120, 311360, 404768, 462592, 505960, 578240, 622720, 809536, 1011920, 1156480, 1245440, 1619072, 2023840, 2312960, 3238144, 4047680, 8095360, 16190720]

約数ペア:

[(1, 16190720), (2, 8095360), (4, 4047680), (5, 3238144), (7, 2312960), (8, 2023840), (10, 1619072), (13, 1245440), (14, 1156480), (16, 1011920), (20, 809536), (26, 622720), (28, 578240), (32, 505960), (35, 462592), (40, 404768), (52, 311360), (56, 289120), (64, 252980), (65, 249088), (70, 231296), (80, 202384), (91, 177920), (104, 155680), (112, 144560), (128, 126490), (130, 124544), (139, 116480), (140, 115648), (160, 101192), (182, 88960), (208, 77840), (224, 72280), (256, 63245), (260, 62272), (278, 58240), (280, 57824), (320, 50596), (364, 44480), (416, 38920), (448, 36140), (455, 35584), (520, 31136), (556, 29120), (560, 28912), (640, 25298), (695, 23296), (728, 22240), (832, 19460), (896, 18070), (910, 17792), (973, 16640), (1040, 15568), (1112, 14560), (1120, 14456), (1280, 12649), (1390, 11648), (1456, 11120), (1664, 9730), (1792, 9035), (1807, 8960), (1820, 8896), (1946, 8320), (2080, 7784), (2224, 7280), (2240, 7228), (2780, 5824), (2912, 5560), (3328, 4865), (3614, 4480), (3640, 4448), (3892, 4160)]