16338280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 45619200

約数和(自身を除く): 29280920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 59, 70, 86, 92, 115, 118, 140, 161, 172, 184, 215, 230, 236, 280, 295, 301, 322, 344, 413, 430, 460, 472, 590, 602, 644, 805, 826, 860, 920, 989, 1180, 1204, 1288, 1357, 1505, 1610, 1652, 1720, 1978, 2065, 2360, 2408, 2537, 2714, 3010, 3220, 3304, 3956, 4130, 4945, 5074, 5428, 6020, 6440, 6785, 6923, 7912, 8260, 9499, 9890, 10148, 10856, 12040, 12685, 13570, 13846, 16520, 17759, 18998, 19780, 20296, 25370, 27140, 27692, 34615, 35518, 37996, 39560, 47495, 50740, 54280, 55384, 58351, 69230, 71036, 75992, 88795, 94990, 101480, 116702, 138460, 142072, 177590, 189980, 233404, 276920, 291755, 355180, 379960, 408457, 466808, 583510, 710360, 816914, 1167020, 1633828, 2042285, 2334040, 3267656, 4084570, 8169140, 16338280]

約数ペア:

[(1, 16338280), (2, 8169140), (4, 4084570), (5, 3267656), (7, 2334040), (8, 2042285), (10, 1633828), (14, 1167020), (20, 816914), (23, 710360), (28, 583510), (35, 466808), (40, 408457), (43, 379960), (46, 355180), (56, 291755), (59, 276920), (70, 233404), (86, 189980), (92, 177590), (115, 142072), (118, 138460), (140, 116702), (161, 101480), (172, 94990), (184, 88795), (215, 75992), (230, 71036), (236, 69230), (280, 58351), (295, 55384), (301, 54280), (322, 50740), (344, 47495), (413, 39560), (430, 37996), (460, 35518), (472, 34615), (590, 27692), (602, 27140), (644, 25370), (805, 20296), (826, 19780), (860, 18998), (920, 17759), (989, 16520), (1180, 13846), (1204, 13570), (1288, 12685), (1357, 12040), (1505, 10856), (1610, 10148), (1652, 9890), (1720, 9499), (1978, 8260), (2065, 7912), (2360, 6923), (2408, 6785), (2537, 6440), (2714, 6020), (3010, 5428), (3220, 5074), (3304, 4945), (3956, 4130)]