205060440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131449}}^1$

素因数の和:131476

約数の個数: 64

約数和(自身を含む): 662508000

約数和(自身を除く): 457447560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131449, 262898, 394347, 525796, 657245, 788694, 1051592, 1314490, 1577388, 1708837, 1971735, 2628980, 3154776, 3417674, 3943470, 5126511, 5257960, 6835348, 7886940, 8544185, 10253022, 13670696, 15773880, 17088370, 20506044, 25632555, 34176740, 41012088, 51265110, 68353480, 102530220, 205060440]

約数ペア:

[(1, 205060440), (2, 102530220), (3, 68353480), (4, 51265110), (5, 41012088), (6, 34176740), (8, 25632555), (10, 20506044), (12, 17088370), (13, 15773880), (15, 13670696), (20, 10253022), (24, 8544185), (26, 7886940), (30, 6835348), (39, 5257960), (40, 5126511), (52, 3943470), (60, 3417674), (65, 3154776), (78, 2628980), (104, 1971735), (120, 1708837), (130, 1577388), (156, 1314490), (195, 1051592), (260, 788694), (312, 657245), (390, 525796), (520, 394347), (780, 262898), (1560, 131449)]