1520976730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21157}}^1$

素因数の和:21263

約数の個数: 64

約数和(自身を含む): 3412362240

約数和(自身を除く): 1891385510

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 395, 455, 553, 790, 910, 1027, 1106, 2054, 2765, 5135, 5530, 7189, 10270, 14378, 21157, 35945, 42314, 71890, 105785, 148099, 211570, 275041, 296198, 550082, 740495, 1375205, 1480990, 1671403, 1925287, 2750410, 3342806, 3850574, 8357015, 9626435, 11699821, 16714030, 19252870, 21728239, 23399642, 43456478, 58499105, 108641195, 116998210, 152097673, 217282390, 304195346, 760488365, 1520976730]

約数ペア:

[(1, 1520976730), (2, 760488365), (5, 304195346), (7, 217282390), (10, 152097673), (13, 116998210), (14, 108641195), (26, 58499105), (35, 43456478), (65, 23399642), (70, 21728239), (79, 19252870), (91, 16714030), (130, 11699821), (158, 9626435), (182, 8357015), (395, 3850574), (455, 3342806), (553, 2750410), (790, 1925287), (910, 1671403), (1027, 1480990), (1106, 1375205), (2054, 740495), (2765, 550082), (5135, 296198), (5530, 275041), (7189, 211570), (10270, 148099), (14378, 105785), (21157, 71890), (35945, 42314)]