129642160

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 310515840

約数和(自身を除く): 180873680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 79, 80, 146, 158, 281, 292, 316, 365, 395, 562, 584, 632, 730, 790, 1124, 1168, 1264, 1405, 1460, 1580, 2248, 2810, 2920, 3160, 4496, 5620, 5767, 5840, 6320, 11240, 11534, 20513, 22199, 22480, 23068, 28835, 41026, 44398, 46136, 57670, 82052, 88796, 92272, 102565, 110995, 115340, 164104, 177592, 205130, 221990, 230680, 328208, 355184, 410260, 443980, 461360, 820520, 887960, 1620527, 1641040, 1775920, 3241054, 6482108, 8102635, 12964216, 16205270, 25928432, 32410540, 64821080, 129642160]

約数ペア:

[(1, 129642160), (2, 64821080), (4, 32410540), (5, 25928432), (8, 16205270), (10, 12964216), (16, 8102635), (20, 6482108), (40, 3241054), (73, 1775920), (79, 1641040), (80, 1620527), (146, 887960), (158, 820520), (281, 461360), (292, 443980), (316, 410260), (365, 355184), (395, 328208), (562, 230680), (584, 221990), (632, 205130), (730, 177592), (790, 164104), (1124, 115340), (1168, 110995), (1264, 102565), (1405, 92272), (1460, 88796), (1580, 82052), (2248, 57670), (2810, 46136), (2920, 44398), (3160, 41026), (4496, 28835), (5620, 23068), (5767, 22480), (5840, 22199), (6320, 20513), (11240, 11534)]