1660705280

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:534

約数の個数: 160

約数和(自身を含む): 4330972800

約数和(自身を除く): 2670267520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 139, 160, 208, 256, 260, 278, 320, 359, 416, 512, 520, 556, 640, 695, 718, 832, 1040, 1112, 1280, 1390, 1436, 1664, 1795, 1807, 2080, 2224, 2560, 2780, 2872, 3328, 3590, 3614, 4160, 4448, 4667, 5560, 5744, 6656, 7180, 7228, 8320, 8896, 9035, 9334, 11120, 11488, 14360, 14456, 16640, 17792, 18070, 18668, 22240, 22976, 23335, 28720, 28912, 33280, 35584, 36140, 37336, 44480, 45952, 46670, 49901, 57440, 57824, 71168, 72280, 74672, 88960, 91904, 93340, 99802, 114880, 115648, 144560, 149344, 177920, 183808, 186680, 199604, 229760, 231296, 249505, 289120, 298688, 355840, 373360, 399208, 459520, 462592, 499010, 578240, 597376, 648713, 746720, 798416, 919040, 925184, 998020, 1156480, 1194752, 1297426, 1493440, 1596832, 1996040, 2312960, 2389504, 2594852, 2986880, 3193664, 3243565, 3992080, 4625920, 5189704, 5973760, 6387328, 6487130, 7984160, 10379408, 11947520, 12774656, 12974260, 15968320, 20758816, 25549312, 25948520, 31936640, 41517632, 51897040, 63873280, 83035264, 103794080, 127746560, 166070528, 207588160, 332141056, 415176320, 830352640, 1660705280]

約数ペア:

[(1, 1660705280), (2, 830352640), (4, 415176320), (5, 332141056), (8, 207588160), (10, 166070528), (13, 127746560), (16, 103794080), (20, 83035264), (26, 63873280), (32, 51897040), (40, 41517632), (52, 31936640), (64, 25948520), (65, 25549312), (80, 20758816), (104, 15968320), (128, 12974260), (130, 12774656), (139, 11947520), (160, 10379408), (208, 7984160), (256, 6487130), (260, 6387328), (278, 5973760), (320, 5189704), (359, 4625920), (416, 3992080), (512, 3243565), (520, 3193664), (556, 2986880), (640, 2594852), (695, 2389504), (718, 2312960), (832, 1996040), (1040, 1596832), (1112, 1493440), (1280, 1297426), (1390, 1194752), (1436, 1156480), (1664, 998020), (1795, 925184), (1807, 919040), (2080, 798416), (2224, 746720), (2560, 648713), (2780, 597376), (2872, 578240), (3328, 499010), (3590, 462592), (3614, 459520), (4160, 399208), (4448, 373360), (4667, 355840), (5560, 298688), (5744, 289120), (6656, 249505), (7180, 231296), (7228, 229760), (8320, 199604), (8896, 186680), (9035, 183808), (9334, 177920), (11120, 149344), (11488, 144560), (14360, 115648), (14456, 114880), (16640, 99802), (17792, 93340), (18070, 91904), (18668, 88960), (22240, 74672), (22976, 72280), (23335, 71168), (28720, 57824), (28912, 57440), (33280, 49901), (35584, 46670), (36140, 45952), (37336, 44480)]