781080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 2453760

約数和(自身を除く): 1672680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 283, 345, 460, 552, 566, 690, 849, 920, 1132, 1380, 1415, 1698, 2264, 2760, 2830, 3396, 4245, 5660, 6509, 6792, 8490, 11320, 13018, 16980, 19527, 26036, 32545, 33960, 39054, 52072, 65090, 78108, 97635, 130180, 156216, 195270, 260360, 390540, 781080]

約数ペア:

[(1, 781080), (2, 390540), (3, 260360), (4, 195270), (5, 156216), (6, 130180), (8, 97635), (10, 78108), (12, 65090), (15, 52072), (20, 39054), (23, 33960), (24, 32545), (30, 26036), (40, 19527), (46, 16980), (60, 13018), (69, 11320), (92, 8490), (115, 6792), (120, 6509), (138, 5660), (184, 4245), (230, 3396), (276, 2830), (283, 2760), (345, 2264), (460, 1698), (552, 1415), (566, 1380), (690, 1132), (849, 920)]