15697519960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{12473}}^1$

素因数の和:12988

約数の個数: 64

約数和(自身を含む): 35889194880

約数和(自身を除く): 20191674920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 431, 584, 730, 862, 1460, 1724, 2155, 2920, 3448, 4310, 8620, 12473, 17240, 24946, 31463, 49892, 62365, 62926, 99784, 124730, 125852, 157315, 249460, 251704, 314630, 498920, 629260, 910529, 1258520, 1821058, 3642116, 4552645, 5375863, 7284232, 9105290, 10751726, 18210580, 21503452, 26879315, 36421160, 43006904, 53758630, 107517260, 215034520, 392437999, 784875998, 1569751996, 1962189995, 3139503992, 3924379990, 7848759980, 15697519960]

約数ペア:

[(1, 15697519960), (2, 7848759980), (4, 3924379990), (5, 3139503992), (8, 1962189995), (10, 1569751996), (20, 784875998), (40, 392437999), (73, 215034520), (146, 107517260), (292, 53758630), (365, 43006904), (431, 36421160), (584, 26879315), (730, 21503452), (862, 18210580), (1460, 10751726), (1724, 9105290), (2155, 7284232), (2920, 5375863), (3448, 4552645), (4310, 3642116), (8620, 1821058), (12473, 1258520), (17240, 910529), (24946, 629260), (31463, 498920), (49892, 314630), (62365, 251704), (62926, 249460), (99784, 157315), (124730, 125852)]