7620520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 18604800

約数和(自身を除く): 10984280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 271, 296, 370, 380, 542, 703, 740, 760, 1084, 1355, 1406, 1480, 2168, 2710, 2812, 3515, 5149, 5420, 5624, 7030, 10027, 10298, 10840, 14060, 20054, 20596, 25745, 28120, 40108, 41192, 50135, 51490, 80216, 100270, 102980, 190513, 200540, 205960, 381026, 401080, 762052, 952565, 1524104, 1905130, 3810260, 7620520]

約数ペア:

[(1, 7620520), (2, 3810260), (4, 1905130), (5, 1524104), (8, 952565), (10, 762052), (19, 401080), (20, 381026), (37, 205960), (38, 200540), (40, 190513), (74, 102980), (76, 100270), (95, 80216), (148, 51490), (152, 50135), (185, 41192), (190, 40108), (271, 28120), (296, 25745), (370, 20596), (380, 20054), (542, 14060), (703, 10840), (740, 10298), (760, 10027), (1084, 7030), (1355, 5624), (1406, 5420), (1480, 5149), (2168, 3515), (2710, 2812)]