57807320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 135021600

約数和(自身を除く): 77214280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 185, 278, 281, 296, 370, 556, 562, 695, 740, 1112, 1124, 1390, 1405, 1480, 2248, 2780, 2810, 5143, 5560, 5620, 10286, 10397, 11240, 20572, 20794, 25715, 39059, 41144, 41588, 51430, 51985, 78118, 83176, 102860, 103970, 156236, 195295, 205720, 207940, 312472, 390590, 415880, 781180, 1445183, 1562360, 2890366, 5780732, 7225915, 11561464, 14451830, 28903660, 57807320]

約数ペア:

[(1, 57807320), (2, 28903660), (4, 14451830), (5, 11561464), (8, 7225915), (10, 5780732), (20, 2890366), (37, 1562360), (40, 1445183), (74, 781180), (139, 415880), (148, 390590), (185, 312472), (278, 207940), (281, 205720), (296, 195295), (370, 156236), (556, 103970), (562, 102860), (695, 83176), (740, 78118), (1112, 51985), (1124, 51430), (1390, 41588), (1405, 41144), (1480, 39059), (2248, 25715), (2780, 20794), (2810, 20572), (5143, 11240), (5560, 10397), (5620, 10286)]