155667760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2258

約数の個数: 80

約数和(自身を含む): 389260800

約数和(自身を除く): 233593040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 2179, 3572, 3760, 4358, 4465, 7144, 8716, 8930, 10895, 14288, 17432, 17860, 21790, 34864, 35720, 41401, 43580, 71440, 82802, 87160, 102413, 165604, 174320, 204826, 207005, 331208, 409652, 414010, 512065, 662416, 819304, 828020, 1024130, 1638608, 1656040, 1945847, 2048260, 3312080, 3891694, 4096520, 7783388, 8193040, 9729235, 15566776, 19458470, 31133552, 38916940, 77833880, 155667760]

約数ペア:

[(1, 155667760), (2, 77833880), (4, 38916940), (5, 31133552), (8, 19458470), (10, 15566776), (16, 9729235), (19, 8193040), (20, 7783388), (38, 4096520), (40, 3891694), (47, 3312080), (76, 2048260), (80, 1945847), (94, 1656040), (95, 1638608), (152, 1024130), (188, 828020), (190, 819304), (235, 662416), (304, 512065), (376, 414010), (380, 409652), (470, 331208), (752, 207005), (760, 204826), (893, 174320), (940, 165604), (1520, 102413), (1786, 87160), (1880, 82802), (2179, 71440), (3572, 43580), (3760, 41401), (4358, 35720), (4465, 34864), (7144, 21790), (8716, 17860), (8930, 17432), (10895, 14288)]